Home / 1,000,732.45-1,381,000.43-541,839.13

Finding the Fourth Proportional to 1,000,732.45, 1,381,000.43 and 541,839.13

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Solution

The fourth proportional to 1,000,732.45, 1,381,000.43 and 541,839.13 is: 747,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,732.45 : 1,381,000.43 = 541,839.13 : x
  2. Step 2: Convert to fraction form
    1,000,732.45/1,381,000.43 = 541,839.13/x
  3. Step 3: Cross multiply
    1,000,732.45x = 1,381,000.43 × 541,839.13
  4. Step 4: Simplify right side
    1,000,732.45x = 748,280,068,811.63
  5. Step 5: Solve for x
    x = 748,280,068,811.63/1,000,732.45
  6. Step 6: Final answer
    x = 747,732.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.