Home / 623,565.20-935,520.60-413,613.20

Finding the Fourth Proportional to 623,565.20, 935,520.60 and 413,613.20

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Solution

The fourth proportional to 623,565.20, 935,520.60 and 413,613.20 is: 620,534.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,565.20 : 935,520.60 = 413,613.20 : x
  2. Step 2: Convert to fraction form
    623,565.20/935,520.60 = 413,613.20/x
  3. Step 3: Cross multiply
    623,565.20x = 935,520.60 × 413,613.20
  4. Step 4: Simplify right side
    623,565.20x = 386,943,669,031.92
  5. Step 5: Solve for x
    x = 386,943,669,031.92/623,565.20
  6. Step 6: Final answer
    x = 620,534.42

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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.