Home / 862,613.07-1,190,410.77-500,251.79

Finding the Fourth Proportional to 862,613.07, 1,190,410.77 and 500,251.79

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Solution

The fourth proportional to 862,613.07, 1,190,410.77 and 500,251.79 is: 690,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,613.07 : 1,190,410.77 = 500,251.79 : x
  2. Step 2: Convert to fraction form
    862,613.07/1,190,410.77 = 500,251.79/x
  3. Step 3: Cross multiply
    862,613.07x = 1,190,410.77 × 500,251.79
  4. Step 4: Simplify right side
    862,613.07x = 595,505,112,575.73
  5. Step 5: Solve for x
    x = 595,505,112,575.73/862,613.07
  6. Step 6: Final answer
    x = 690,350.21

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Double scale
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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.