Home / 752,971.43-1,129,217.64-247,416.01

Finding the Fourth Proportional to 752,971.43, 1,129,217.64 and 247,416.01

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Solution

The fourth proportional to 752,971.43, 1,129,217.64 and 247,416.01 is: 371,045.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,971.43 : 1,129,217.64 = 247,416.01 : x
  2. Step 2: Convert to fraction form
    752,971.43/1,129,217.64 = 247,416.01/x
  3. Step 3: Cross multiply
    752,971.43x = 1,129,217.64 × 247,416.01
  4. Step 4: Simplify right side
    752,971.43x = 279,386,522,910.42
  5. Step 5: Solve for x
    x = 279,386,522,910.42/752,971.43
  6. Step 6: Final answer
    x = 371,045.32

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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.