Home / 862,832.71-1,190,713.13-500,471.11

Finding the Fourth Proportional to 862,832.71, 1,190,713.13 and 500,471.11

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Solution

The fourth proportional to 862,832.71, 1,190,713.13 and 500,471.11 is: 690,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,832.71 : 1,190,713.13 = 500,471.11 : x
  2. Step 2: Convert to fraction form
    862,832.71/1,190,713.13 = 500,471.11/x
  3. Step 3: Cross multiply
    862,832.71x = 1,190,713.13 × 500,471.11
  4. Step 4: Simplify right side
    862,832.71x = 595,917,521,862.67
  5. Step 5: Solve for x
    x = 595,917,521,862.67/862,832.71
  6. Step 6: Final answer
    x = 690,652.45

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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.