Home / 719,024.89-992,275.11-396,755.74

Finding the Fourth Proportional to 719,024.89, 992,275.11 and 396,755.74

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Solution

The fourth proportional to 719,024.89, 992,275.11 and 396,755.74 is: 547,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,024.89 : 992,275.11 = 396,755.74 : x
  2. Step 2: Convert to fraction form
    719,024.89/992,275.11 = 396,755.74/x
  3. Step 3: Cross multiply
    719,024.89x = 992,275.11 × 396,755.74
  4. Step 4: Simplify right side
    719,024.89x = 393,690,845,551.63
  5. Step 5: Solve for x
    x = 393,690,845,551.63/719,024.89
  6. Step 6: Final answer
    x = 547,534.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.