Home / 725,414.89-1,087,700.23-533,404.15

Finding the Fourth Proportional to 725,414.89, 1,087,700.23 and 533,404.15

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Solution

The fourth proportional to 725,414.89, 1,087,700.23 and 533,404.15 is: 799,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,414.89 : 1,087,700.23 = 533,404.15 : x
  2. Step 2: Convert to fraction form
    725,414.89/1,087,700.23 = 533,404.15/x
  3. Step 3: Cross multiply
    725,414.89x = 1,087,700.23 × 533,404.15
  4. Step 4: Simplify right side
    725,414.89x = 580,183,816,637.96
  5. Step 5: Solve for x
    x = 580,183,816,637.96/725,414.89
  6. Step 6: Final answer
    x = 799,795.85

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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.