Home / 625,317.40-937,976.45-439,159.96

Finding the Fourth Proportional to 625,317.40, 937,976.45 and 439,159.96

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Solution

The fourth proportional to 625,317.40, 937,976.45 and 439,159.96 is: 658,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,317.40 : 937,976.45 = 439,159.96 : x
  2. Step 2: Convert to fraction form
    625,317.40/937,976.45 = 439,159.96/x
  3. Step 3: Cross multiply
    625,317.40x = 937,976.45 × 439,159.96
  4. Step 4: Simplify right side
    625,317.40x = 411,921,700,262.94
  5. Step 5: Solve for x
    x = 411,921,700,262.94/625,317.40
  6. Step 6: Final answer
    x = 658,740.19

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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.