Home / 827,810.52-1,247,247.32-747,941.28

Finding the Fourth Proportional to 827,810.52, 1,247,247.32 and 747,941.28

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Solution

The fourth proportional to 827,810.52, 1,247,247.32 and 747,941.28 is: 1,126,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,810.52 : 1,247,247.32 = 747,941.28 : x
  2. Step 2: Convert to fraction form
    827,810.52/1,247,247.32 = 747,941.28/x
  3. Step 3: Cross multiply
    827,810.52x = 1,247,247.32 × 747,941.28
  4. Step 4: Simplify right side
    827,810.52x = 932,867,756,997.37
  5. Step 5: Solve for x
    x = 932,867,756,997.37/827,810.52
  6. Step 6: Final answer
    x = 1,126,909.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.