Home / 732,318.60-1,099,125.90-432,424.20

Finding the Fourth Proportional to 732,318.60, 1,099,125.90 and 432,424.20

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Solution

The fourth proportional to 732,318.60, 1,099,125.90 and 432,424.20 is: 649,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,318.60 : 1,099,125.90 = 432,424.20 : x
  2. Step 2: Convert to fraction form
    732,318.60/1,099,125.90 = 432,424.20/x
  3. Step 3: Cross multiply
    732,318.60x = 1,099,125.90 × 432,424.20
  4. Step 4: Simplify right side
    732,318.60x = 475,288,638,006.78
  5. Step 5: Solve for x
    x = 475,288,638,006.78/732,318.60
  6. Step 6: Final answer
    x = 649,018.94

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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.