Home / 499,314.86-748,977.76-144,331.96

Finding the Fourth Proportional to 499,314.86, 748,977.76 and 144,331.96

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Solution

The fourth proportional to 499,314.86, 748,977.76 and 144,331.96 is: 216,499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,314.86 : 748,977.76 = 144,331.96 : x
  2. Step 2: Convert to fraction form
    499,314.86/748,977.76 = 144,331.96/x
  3. Step 3: Cross multiply
    499,314.86x = 748,977.76 × 144,331.96
  4. Step 4: Simplify right side
    499,314.86x = 108,101,424,352.32
  5. Step 5: Solve for x
    x = 108,101,424,352.32/499,314.86
  6. Step 6: Final answer
    x = 216,499.51

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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.