Home / 468,731.20-646,849.20-253,872.16

Finding the Fourth Proportional to 468,731.20, 646,849.20 and 253,872.16

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Solution

The fourth proportional to 468,731.20, 646,849.20 and 253,872.16 is: 350,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,731.20 : 646,849.20 = 253,872.16 : x
  2. Step 2: Convert to fraction form
    468,731.20/646,849.20 = 253,872.16/x
  3. Step 3: Cross multiply
    468,731.20x = 646,849.20 × 253,872.16
  4. Step 4: Simplify right side
    468,731.20x = 164,217,003,598.27
  5. Step 5: Solve for x
    x = 164,217,003,598.27/468,731.20
  6. Step 6: Final answer
    x = 350,343.66

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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.