Home / 1,122,108.96-1,548,111.60-663,126.24

Finding the Fourth Proportional to 1,122,108.96, 1,548,111.60 and 663,126.24

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Solution

The fourth proportional to 1,122,108.96, 1,548,111.60 and 663,126.24 is: 914,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,108.96 : 1,548,111.60 = 663,126.24 : x
  2. Step 2: Convert to fraction form
    1,122,108.96/1,548,111.60 = 663,126.24/x
  3. Step 3: Cross multiply
    1,122,108.96x = 1,548,111.60 × 663,126.24
  4. Step 4: Simplify right side
    1,122,108.96x = 1,026,593,424,408.38
  5. Step 5: Solve for x
    x = 1,026,593,424,408.38/1,122,108.96
  6. Step 6: Final answer
    x = 914,878.56

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Half scale
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Double scale
Find fourth proportional to 1,122,109.96, 1,548,112.98 and 663,127.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.