Home / 482,581.92-723,878.46-145,625.50

Finding the Fourth Proportional to 482,581.92, 723,878.46 and 145,625.50

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Solution

The fourth proportional to 482,581.92, 723,878.46 and 145,625.50 is: 218,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,581.92 : 723,878.46 = 145,625.50 : x
  2. Step 2: Convert to fraction form
    482,581.92/723,878.46 = 145,625.50/x
  3. Step 3: Cross multiply
    482,581.92x = 723,878.46 × 145,625.50
  4. Step 4: Simplify right side
    482,581.92x = 105,415,159,765.75
  5. Step 5: Solve for x
    x = 105,415,159,765.75/482,581.92
  6. Step 6: Final answer
    x = 218,439.93

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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.