Home / 862,687.41-1,190,513.35-500,326.11

Finding the Fourth Proportional to 862,687.41, 1,190,513.35 and 500,326.11

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Solution

The fourth proportional to 862,687.41, 1,190,513.35 and 500,326.11 is: 690,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,687.41 : 1,190,513.35 = 500,326.11 : x
  2. Step 2: Convert to fraction form
    862,687.41/1,190,513.35 = 500,326.11/x
  3. Step 3: Cross multiply
    862,687.41x = 1,190,513.35 × 500,326.11
  4. Step 4: Simplify right side
    862,687.41x = 595,644,909,081.47
  5. Step 5: Solve for x
    x = 595,644,909,081.47/862,687.41
  6. Step 6: Final answer
    x = 690,452.77

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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.