Home / 917,279.80-1,373,154.90-806,687.80

Finding the Fourth Proportional to 917,279.80, 1,373,154.90 and 806,687.80

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Solution

The fourth proportional to 917,279.80, 1,373,154.90 and 806,687.80 is: 1,207,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,279.80 : 1,373,154.90 = 806,687.80 : x
  2. Step 2: Convert to fraction form
    917,279.80/1,373,154.90 = 806,687.80/x
  3. Step 3: Cross multiply
    917,279.80x = 1,373,154.90 × 806,687.80
  4. Step 4: Simplify right side
    917,279.80x = 1,107,707,305,340.22
  5. Step 5: Solve for x
    x = 1,107,707,305,340.22/917,279.80
  6. Step 6: Final answer
    x = 1,207,600.24

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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.