Home / 1,078,042.80-1,618,230.60-605,650.80

Finding the Fourth Proportional to 1,078,042.80, 1,618,230.60 and 605,650.80

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Solution

The fourth proportional to 1,078,042.80, 1,618,230.60 and 605,650.80 is: 909,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,042.80 : 1,618,230.60 = 605,650.80 : x
  2. Step 2: Convert to fraction form
    1,078,042.80/1,618,230.60 = 605,650.80/x
  3. Step 3: Cross multiply
    1,078,042.80x = 1,618,230.60 × 605,650.80
  4. Step 4: Simplify right side
    1,078,042.80x = 980,082,657,474.48
  5. Step 5: Solve for x
    x = 980,082,657,474.48/1,078,042.80
  6. Step 6: Final answer
    x = 909,131.49

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.