Home / 719,256.49-992,569.08-396,966.59

Finding the Fourth Proportional to 719,256.49, 992,569.08 and 396,966.59

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Solution

The fourth proportional to 719,256.49, 992,569.08 and 396,966.59 is: 547,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,256.49 : 992,569.08 = 396,966.59 : x
  2. Step 2: Convert to fraction form
    719,256.49/992,569.08 = 396,966.59/x
  3. Step 3: Cross multiply
    719,256.49x = 992,569.08 × 396,966.59
  4. Step 4: Simplify right side
    719,256.49x = 394,016,763,027.04
  5. Step 5: Solve for x
    x = 394,016,763,027.04/719,256.49
  6. Step 6: Final answer
    x = 547,811.20

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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.