Home / 719,256.85-992,569.56-396,966.94

Finding the Fourth Proportional to 719,256.85, 992,569.56 and 396,966.94

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Solution

The fourth proportional to 719,256.85, 992,569.56 and 396,966.94 is: 547,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,256.85 : 992,569.56 = 396,966.94 : x
  2. Step 2: Convert to fraction form
    719,256.85/992,569.56 = 396,966.94/x
  3. Step 3: Cross multiply
    719,256.85x = 992,569.56 × 396,966.94
  4. Step 4: Simplify right side
    719,256.85x = 394,017,301,962.76
  5. Step 5: Solve for x
    x = 394,017,301,962.76/719,256.85
  6. Step 6: Final answer
    x = 547,811.68

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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.