Home / 925,084.79-1,387,722.38-349,193.15

Finding the Fourth Proportional to 925,084.79, 1,387,722.38 and 349,193.15

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Solution

The fourth proportional to 925,084.79, 1,387,722.38 and 349,193.15 is: 523,825.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,084.79 : 1,387,722.38 = 349,193.15 : x
  2. Step 2: Convert to fraction form
    925,084.79/1,387,722.38 = 349,193.15/x
  3. Step 3: Cross multiply
    925,084.79x = 1,387,722.38 × 349,193.15
  4. Step 4: Simplify right side
    925,084.79x = 484,583,140,513.12
  5. Step 5: Solve for x
    x = 484,583,140,513.12/925,084.79
  6. Step 6: Final answer
    x = 523,825.65

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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.