Home / 530,560.60-732,149.76-288,837.04

Finding the Fourth Proportional to 530,560.60, 732,149.76 and 288,837.04

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Solution

The fourth proportional to 530,560.60, 732,149.76 and 288,837.04 is: 398,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,560.60 : 732,149.76 = 288,837.04 : x
  2. Step 2: Convert to fraction form
    530,560.60/732,149.76 = 288,837.04/x
  3. Step 3: Cross multiply
    530,560.60x = 732,149.76 × 288,837.04
  4. Step 4: Simplify right side
    530,560.60x = 211,471,969,515.11
  5. Step 5: Solve for x
    x = 211,471,969,515.11/530,560.60
  6. Step 6: Final answer
    x = 398,582.12

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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.