Home / 1,443,753.60-2,165,209.92-432,835.20

Finding the Fourth Proportional to 1,443,753.60, 2,165,209.92 and 432,835.20

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Solution

The fourth proportional to 1,443,753.60, 2,165,209.92 and 432,835.20 is: 649,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,753.60 : 2,165,209.92 = 432,835.20 : x
  2. Step 2: Convert to fraction form
    1,443,753.60/2,165,209.92 = 432,835.20/x
  3. Step 3: Cross multiply
    1,443,753.60x = 2,165,209.92 × 432,835.20
  4. Step 4: Simplify right side
    1,443,753.60x = 937,179,068,765.18
  5. Step 5: Solve for x
    x = 937,179,068,765.18/1,443,753.60
  6. Step 6: Final answer
    x = 649,126.74

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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.