Home / 347,040.72-519,569.40-324,995.92

Finding the Fourth Proportional to 347,040.72, 519,569.40 and 324,995.92

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Solution

The fourth proportional to 347,040.72, 519,569.40 and 324,995.92 is: 486,565.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,040.72 : 519,569.40 = 324,995.92 : x
  2. Step 2: Convert to fraction form
    347,040.72/519,569.40 = 324,995.92/x
  3. Step 3: Cross multiply
    347,040.72x = 519,569.40 × 324,995.92
  4. Step 4: Simplify right side
    347,040.72x = 168,857,935,156.85
  5. Step 5: Solve for x
    x = 168,857,935,156.85/347,040.72
  6. Step 6: Final answer
    x = 486,565.19

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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.