Home / 961,731.40-1,327,190.28-532,040.57

Finding the Fourth Proportional to 961,731.40, 1,327,190.28 and 532,040.57

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Solution

The fourth proportional to 961,731.40, 1,327,190.28 and 532,040.57 is: 734,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,731.40 : 1,327,190.28 = 532,040.57 : x
  2. Step 2: Convert to fraction form
    961,731.40/1,327,190.28 = 532,040.57/x
  3. Step 3: Cross multiply
    961,731.40x = 1,327,190.28 × 532,040.57
  4. Step 4: Simplify right side
    961,731.40x = 706,119,074,392.48
  5. Step 5: Solve for x
    x = 706,119,074,392.48/961,731.40
  6. Step 6: Final answer
    x = 734,216.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.