Home / 653,289.30-979,470.63-253,593.18

Finding the Fourth Proportional to 653,289.30, 979,470.63 and 253,593.18

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Solution

The fourth proportional to 653,289.30, 979,470.63 and 253,593.18 is: 380,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,289.30 : 979,470.63 = 253,593.18 : x
  2. Step 2: Convert to fraction form
    653,289.30/979,470.63 = 253,593.18/x
  3. Step 3: Cross multiply
    653,289.30x = 979,470.63 × 253,593.18
  4. Step 4: Simplify right side
    653,289.30x = 248,387,071,778.30
  5. Step 5: Solve for x
    x = 248,387,071,778.30/653,289.30
  6. Step 6: Final answer
    x = 380,209.92

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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.