Home / 817,040.91-1,225,561.46-218,004.29

Finding the Fourth Proportional to 817,040.91, 1,225,561.46 and 218,004.29

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Solution

The fourth proportional to 817,040.91, 1,225,561.46 and 218,004.29 is: 327,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,040.91 : 1,225,561.46 = 218,004.29 : x
  2. Step 2: Convert to fraction form
    817,040.91/1,225,561.46 = 218,004.29/x
  3. Step 3: Cross multiply
    817,040.91x = 1,225,561.46 × 218,004.29
  4. Step 4: Simplify right side
    817,040.91x = 267,177,655,938.66
  5. Step 5: Solve for x
    x = 267,177,655,938.66/817,040.91
  6. Step 6: Final answer
    x = 327,006.46

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Double scale
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Similar ratio
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1.5x scale

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.