Home / 351,742.78-527,614.38-247,029.22

Finding the Fourth Proportional to 351,742.78, 527,614.38 and 247,029.22

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Solution

The fourth proportional to 351,742.78, 527,614.38 and 247,029.22 is: 370,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,742.78 : 527,614.38 = 247,029.22 : x
  2. Step 2: Convert to fraction form
    351,742.78/527,614.38 = 247,029.22/x
  3. Step 3: Cross multiply
    351,742.78x = 527,614.38 × 247,029.22
  4. Step 4: Simplify right side
    351,742.78x = 130,336,168,752.18
  5. Step 5: Solve for x
    x = 130,336,168,752.18/351,742.78
  6. Step 6: Final answer
    x = 370,543.98

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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.