Home / 1,581,115.68-2,371,630.47-443,887.30

Finding the Fourth Proportional to 1,581,115.68, 2,371,630.47 and 443,887.30

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Solution

The fourth proportional to 1,581,115.68, 2,371,630.47 and 443,887.30 is: 665,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,115.68 : 2,371,630.47 = 443,887.30 : x
  2. Step 2: Convert to fraction form
    1,581,115.68/2,371,630.47 = 443,887.30/x
  3. Step 3: Cross multiply
    1,581,115.68x = 2,371,630.47 × 443,887.30
  4. Step 4: Simplify right side
    1,581,115.68x = 1,052,736,652,121.63
  5. Step 5: Solve for x
    x = 1,052,736,652,121.63/1,581,115.68
  6. Step 6: Final answer
    x = 665,818.87

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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.