Home / 1,000,619.92-1,380,845.82-541,722.76

Finding the Fourth Proportional to 1,000,619.92, 1,380,845.82 and 541,722.76

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Solution

The fourth proportional to 1,000,619.92, 1,380,845.82 and 541,722.76 is: 747,572.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,619.92 : 1,380,845.82 = 541,722.76 : x
  2. Step 2: Convert to fraction form
    1,000,619.92/1,380,845.82 = 541,722.76/x
  3. Step 3: Cross multiply
    1,000,619.92x = 1,380,845.82 × 541,722.76
  4. Step 4: Simplify right side
    1,000,619.92x = 748,035,608,744.86
  5. Step 5: Solve for x
    x = 748,035,608,744.86/1,000,619.92
  6. Step 6: Final answer
    x = 747,572.17

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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.