Home / 716,422.38-1,074,594.66-217,747.50

Finding the Fourth Proportional to 716,422.38, 1,074,594.66 and 217,747.50

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Solution

The fourth proportional to 716,422.38, 1,074,594.66 and 217,747.50 is: 326,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,422.38 : 1,074,594.66 = 217,747.50 : x
  2. Step 2: Convert to fraction form
    716,422.38/1,074,594.66 = 217,747.50/x
  3. Step 3: Cross multiply
    716,422.38x = 1,074,594.66 × 217,747.50
  4. Step 4: Simplify right side
    716,422.38x = 233,990,300,728.35
  5. Step 5: Solve for x
    x = 233,990,300,728.35/716,422.38
  6. Step 6: Final answer
    x = 326,609.42

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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.