Home / 354,747.80-532,440.84-240,619.61

Finding the Fourth Proportional to 354,747.80, 532,440.84 and 240,619.61

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Solution

The fourth proportional to 354,747.80, 532,440.84 and 240,619.61 is: 361,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,747.80 : 532,440.84 = 240,619.61 : x
  2. Step 2: Convert to fraction form
    354,747.80/532,440.84 = 240,619.61/x
  3. Step 3: Cross multiply
    354,747.80x = 532,440.84 × 240,619.61
  4. Step 4: Simplify right side
    354,747.80x = 128,115,709,502.30
  5. Step 5: Solve for x
    x = 128,115,709,502.30/354,747.80
  6. Step 6: Final answer
    x = 361,145.89

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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.