Home / 1,581,117.68-2,371,633.47-443,889.30

Finding the Fourth Proportional to 1,581,117.68, 2,371,633.47 and 443,889.30

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Solution

The fourth proportional to 1,581,117.68, 2,371,633.47 and 443,889.30 is: 665,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,117.68 : 2,371,633.47 = 443,889.30 : x
  2. Step 2: Convert to fraction form
    1,581,117.68/2,371,633.47 = 443,889.30/x
  3. Step 3: Cross multiply
    1,581,117.68x = 2,371,633.47 × 443,889.30
  4. Step 4: Simplify right side
    1,581,117.68x = 1,052,742,720,854.87
  5. Step 5: Solve for x
    x = 1,052,742,720,854.87/1,581,117.68
  6. Step 6: Final answer
    x = 665,821.86

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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.