Home / 1,157,951.76-1,597,513.68-722,112.72

Finding the Fourth Proportional to 1,157,951.76, 1,597,513.68 and 722,112.72

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Solution

The fourth proportional to 1,157,951.76, 1,597,513.68 and 722,112.72 is: 996,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,951.76 : 1,597,513.68 = 722,112.72 : x
  2. Step 2: Convert to fraction form
    1,157,951.76/1,597,513.68 = 722,112.72/x
  3. Step 3: Cross multiply
    1,157,951.76x = 1,597,513.68 × 722,112.72
  4. Step 4: Simplify right side
    1,157,951.76x = 1,153,584,948,702.01
  5. Step 5: Solve for x
    x = 1,153,584,948,702.01/1,157,951.76
  6. Step 6: Final answer
    x = 996,228.85

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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.