Home / 728,417.80-1,092,885.90-702,497.80

Finding the Fourth Proportional to 728,417.80, 1,092,885.90 and 702,497.80

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Solution

The fourth proportional to 728,417.80, 1,092,885.90 and 702,497.80 is: 1,053,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,417.80 : 1,092,885.90 = 702,497.80 : x
  2. Step 2: Convert to fraction form
    728,417.80/1,092,885.90 = 702,497.80/x
  3. Step 3: Cross multiply
    728,417.80x = 1,092,885.90 × 702,497.80
  4. Step 4: Simplify right side
    728,417.80x = 767,749,940,401.02
  5. Step 5: Solve for x
    x = 767,749,940,401.02/728,417.80
  6. Step 6: Final answer
    x = 1,053,996.68

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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.