Home / 454,763.20-680,832.60-402,275.20

Finding the Fourth Proportional to 454,763.20, 680,832.60 and 402,275.20

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Solution

The fourth proportional to 454,763.20, 680,832.60 and 402,275.20 is: 602,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,763.20 : 680,832.60 = 402,275.20 : x
  2. Step 2: Convert to fraction form
    454,763.20/680,832.60 = 402,275.20/x
  3. Step 3: Cross multiply
    454,763.20x = 680,832.60 × 402,275.20
  4. Step 4: Simplify right side
    454,763.20x = 273,882,070,331.52
  5. Step 5: Solve for x
    x = 273,882,070,331.52/454,763.20
  6. Step 6: Final answer
    x = 602,252.05

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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.