Home / 1,581,355.98-2,372,558.85-516,432.78

Finding the Fourth Proportional to 1,581,355.98, 2,372,558.85 and 516,432.78

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Solution

The fourth proportional to 1,581,355.98, 2,372,558.85 and 516,432.78 is: 774,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,355.98 : 2,372,558.85 = 516,432.78 : x
  2. Step 2: Convert to fraction form
    1,581,355.98/2,372,558.85 = 516,432.78/x
  3. Step 3: Cross multiply
    1,581,355.98x = 2,372,558.85 × 516,432.78
  4. Step 4: Simplify right side
    1,581,355.98x = 1,225,267,162,619.10
  5. Step 5: Solve for x
    x = 1,225,267,162,619.10/1,581,355.98
  6. Step 6: Final answer
    x = 774,820.58

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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.