Home / 625,319.40-937,979.45-439,161.96

Finding the Fourth Proportional to 625,319.40, 937,979.45 and 439,161.96

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Solution

The fourth proportional to 625,319.40, 937,979.45 and 439,161.96 is: 658,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,319.40 : 937,979.45 = 439,161.96 : x
  2. Step 2: Convert to fraction form
    625,319.40/937,979.45 = 439,161.96/x
  3. Step 3: Cross multiply
    625,319.40x = 937,979.45 × 439,161.96
  4. Step 4: Simplify right side
    625,319.40x = 411,924,893,701.72
  5. Step 5: Solve for x
    x = 411,924,893,701.72/625,319.40
  6. Step 6: Final answer
    x = 658,743.19

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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.