Home / 886,029.40-1,329,044.10-620,090.20

Finding the Fourth Proportional to 886,029.40, 1,329,044.10 and 620,090.20

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Solution

The fourth proportional to 886,029.40, 1,329,044.10 and 620,090.20 is: 930,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,029.40 : 1,329,044.10 = 620,090.20 : x
  2. Step 2: Convert to fraction form
    886,029.40/1,329,044.10 = 620,090.20/x
  3. Step 3: Cross multiply
    886,029.40x = 1,329,044.10 × 620,090.20
  4. Step 4: Simplify right side
    886,029.40x = 824,127,221,777.82
  5. Step 5: Solve for x
    x = 824,127,221,777.82/886,029.40
  6. Step 6: Final answer
    x = 930,135.30

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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.