Home / 432,632.11-649,114.36-304,671.20

Finding the Fourth Proportional to 432,632.11, 649,114.36 and 304,671.20

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Solution

The fourth proportional to 432,632.11, 649,114.36 and 304,671.20 is: 457,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,632.11 : 649,114.36 = 304,671.20 : x
  2. Step 2: Convert to fraction form
    432,632.11/649,114.36 = 304,671.20/x
  3. Step 3: Cross multiply
    432,632.11x = 649,114.36 × 304,671.20
  4. Step 4: Simplify right side
    432,632.11x = 197,766,448,816.82
  5. Step 5: Solve for x
    x = 197,766,448,816.82/432,632.11
  6. Step 6: Final answer
    x = 457,123.83

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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.