Home / 862,690.30-1,190,517.36-500,329.04

Finding the Fourth Proportional to 862,690.30, 1,190,517.36 and 500,329.04

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Solution

The fourth proportional to 862,690.30, 1,190,517.36 and 500,329.04 is: 690,456.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,690.30 : 1,190,517.36 = 500,329.04 : x
  2. Step 2: Convert to fraction form
    862,690.30/1,190,517.36 = 500,329.04/x
  3. Step 3: Cross multiply
    862,690.30x = 1,190,517.36 × 500,329.04
  4. Step 4: Simplify right side
    862,690.30x = 595,650,407,832.13
  5. Step 5: Solve for x
    x = 595,650,407,832.13/862,690.30
  6. Step 6: Final answer
    x = 690,456.83

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1.5x scale

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.