Home / 747,744.30-1,121,616.45-482,023.80

Finding the Fourth Proportional to 747,744.30, 1,121,616.45 and 482,023.80

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Solution

The fourth proportional to 747,744.30, 1,121,616.45 and 482,023.80 is: 723,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,744.30 : 1,121,616.45 = 482,023.80 : x
  2. Step 2: Convert to fraction form
    747,744.30/1,121,616.45 = 482,023.80/x
  3. Step 3: Cross multiply
    747,744.30x = 1,121,616.45 × 482,023.80
  4. Step 4: Simplify right side
    747,744.30x = 540,645,823,371.51
  5. Step 5: Solve for x
    x = 540,645,823,371.51/747,744.30
  6. Step 6: Final answer
    x = 723,035.70

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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.