Home / 453,127.20-625,162.47-256,872.62

Finding the Fourth Proportional to 453,127.20, 625,162.47 and 256,872.62

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Solution

The fourth proportional to 453,127.20, 625,162.47 and 256,872.62 is: 354,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,127.20 : 625,162.47 = 256,872.62 : x
  2. Step 2: Convert to fraction form
    453,127.20/625,162.47 = 256,872.62/x
  3. Step 3: Cross multiply
    453,127.20x = 625,162.47 × 256,872.62
  4. Step 4: Simplify right side
    453,127.20x = 160,587,121,676.30
  5. Step 5: Solve for x
    x = 160,587,121,676.30/453,127.20
  6. Step 6: Final answer
    x = 354,397.45

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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.