Home / 625,631.40-938,438.30-152,317.80

Finding the Fourth Proportional to 625,631.40, 938,438.30 and 152,317.80

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Solution

The fourth proportional to 625,631.40, 938,438.30 and 152,317.80 is: 228,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,631.40 : 938,438.30 = 152,317.80 : x
  2. Step 2: Convert to fraction form
    625,631.40/938,438.30 = 152,317.80/x
  3. Step 3: Cross multiply
    625,631.40x = 938,438.30 × 152,317.80
  4. Step 4: Simplify right side
    625,631.40x = 142,940,857,291.74
  5. Step 5: Solve for x
    x = 142,940,857,291.74/625,631.40
  6. Step 6: Final answer
    x = 228,474.56

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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.