Home / 530,789.40-732,481.92-301,344.84

Finding the Fourth Proportional to 530,789.40, 732,481.92 and 301,344.84

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Solution

The fourth proportional to 530,789.40, 732,481.92 and 301,344.84 is: 415,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,789.40 : 732,481.92 = 301,344.84 : x
  2. Step 2: Convert to fraction form
    530,789.40/732,481.92 = 301,344.84/x
  3. Step 3: Cross multiply
    530,789.40x = 732,481.92 × 301,344.84
  4. Step 4: Simplify right side
    530,789.40x = 220,729,646,985.29
  5. Step 5: Solve for x
    x = 220,729,646,985.29/530,789.40
  6. Step 6: Final answer
    x = 415,851.65

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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.