Home / 477,962.20-716,943.30-454,634.20

Finding the Fourth Proportional to 477,962.20, 716,943.30 and 454,634.20

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Solution

The fourth proportional to 477,962.20, 716,943.30 and 454,634.20 is: 681,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,962.20 : 716,943.30 = 454,634.20 : x
  2. Step 2: Convert to fraction form
    477,962.20/716,943.30 = 454,634.20/x
  3. Step 3: Cross multiply
    477,962.20x = 716,943.30 × 454,634.20
  4. Step 4: Simplify right side
    477,962.20x = 325,946,943,640.86
  5. Step 5: Solve for x
    x = 325,946,943,640.86/477,962.20
  6. Step 6: Final answer
    x = 681,951.30

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Double scale
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Similar ratio
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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.