Home / 917,151.30-1,372,616.55-805,176.90

Finding the Fourth Proportional to 917,151.30, 1,372,616.55 and 805,176.90

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Solution

The fourth proportional to 917,151.30, 1,372,616.55 and 805,176.90 is: 1,205,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,151.30 : 1,372,616.55 = 805,176.90 : x
  2. Step 2: Convert to fraction form
    917,151.30/1,372,616.55 = 805,176.90/x
  3. Step 3: Cross multiply
    917,151.30x = 1,372,616.55 × 805,176.90
  4. Step 4: Simplify right side
    917,151.30x = 1,105,199,138,617.70
  5. Step 5: Solve for x
    x = 1,105,199,138,617.70/917,151.30
  6. Step 6: Final answer
    x = 1,205,034.70

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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.