Home / 530,565.80-732,166.98-288,853.16

Finding the Fourth Proportional to 530,565.80, 732,166.98 and 288,853.16

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Solution

The fourth proportional to 530,565.80, 732,166.98 and 288,853.16 is: 398,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,565.80 : 732,166.98 = 288,853.16 : x
  2. Step 2: Convert to fraction form
    530,565.80/732,166.98 = 288,853.16/x
  3. Step 3: Cross multiply
    530,565.80x = 732,166.98 × 288,853.16
  4. Step 4: Simplify right side
    530,565.80x = 211,488,745,820.66
  5. Step 5: Solve for x
    x = 211,488,745,820.66/530,565.80
  6. Step 6: Final answer
    x = 398,609.83

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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.