Home / 694,175.87-1,041,394.13-315,123.21

Finding the Fourth Proportional to 694,175.87, 1,041,394.13 and 315,123.21

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Solution

The fourth proportional to 694,175.87, 1,041,394.13 and 315,123.21 is: 472,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,175.87 : 1,041,394.13 = 315,123.21 : x
  2. Step 2: Convert to fraction form
    694,175.87/1,041,394.13 = 315,123.21/x
  3. Step 3: Cross multiply
    694,175.87x = 1,041,394.13 × 315,123.21
  4. Step 4: Simplify right side
    694,175.87x = 328,167,459,545.14
  5. Step 5: Solve for x
    x = 328,167,459,545.14/694,175.87
  6. Step 6: Final answer
    x = 472,743.98

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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.