Home / 898,888.32-1,240,531.20-517,034.88

Finding the Fourth Proportional to 898,888.32, 1,240,531.20 and 517,034.88

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Solution

The fourth proportional to 898,888.32, 1,240,531.20 and 517,034.88 is: 713,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,888.32 : 1,240,531.20 = 517,034.88 : x
  2. Step 2: Convert to fraction form
    898,888.32/1,240,531.20 = 517,034.88/x
  3. Step 3: Cross multiply
    898,888.32x = 1,240,531.20 × 517,034.88
  4. Step 4: Simplify right side
    898,888.32x = 641,397,900,128.26
  5. Step 5: Solve for x
    x = 641,397,900,128.26/898,888.32
  6. Step 6: Final answer
    x = 713,545.71

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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.