Home / 755,711.40-1,132,254.90-637,613.40

Finding the Fourth Proportional to 755,711.40, 1,132,254.90 and 637,613.40

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Solution

The fourth proportional to 755,711.40, 1,132,254.90 and 637,613.40 is: 955,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,711.40 : 1,132,254.90 = 637,613.40 : x
  2. Step 2: Convert to fraction form
    755,711.40/1,132,254.90 = 637,613.40/x
  3. Step 3: Cross multiply
    755,711.40x = 1,132,254.90 × 637,613.40
  4. Step 4: Simplify right side
    755,711.40x = 721,940,896,455.66
  5. Step 5: Solve for x
    x = 721,940,896,455.66/755,711.40
  6. Step 6: Final answer
    x = 955,312.96

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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.