Home / 719,256.62-992,569.25-396,966.71

Finding the Fourth Proportional to 719,256.62, 992,569.25 and 396,966.71

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Solution

The fourth proportional to 719,256.62, 992,569.25 and 396,966.71 is: 547,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,256.62 : 992,569.25 = 396,966.71 : x
  2. Step 2: Convert to fraction form
    719,256.62/992,569.25 = 396,966.71/x
  3. Step 3: Cross multiply
    719,256.62x = 992,569.25 × 396,966.71
  4. Step 4: Simplify right side
    719,256.62x = 394,016,953,093.51
  5. Step 5: Solve for x
    x = 394,016,953,093.51/719,256.62
  6. Step 6: Final answer
    x = 547,811.37

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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.