Home / 961,943.12-1,327,520.64-532,216.28

Finding the Fourth Proportional to 961,943.12, 1,327,520.64 and 532,216.28

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Solution

The fourth proportional to 961,943.12, 1,327,520.64 and 532,216.28 is: 734,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,943.12 : 1,327,520.64 = 532,216.28 : x
  2. Step 2: Convert to fraction form
    961,943.12/1,327,520.64 = 532,216.28/x
  3. Step 3: Cross multiply
    961,943.12x = 1,327,520.64 × 532,216.28
  4. Step 4: Simplify right side
    961,943.12x = 706,528,096,644.02
  5. Step 5: Solve for x
    x = 706,528,096,644.02/961,943.12
  6. Step 6: Final answer
    x = 734,480.12

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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.