Home / 449,031.04-619,663.68-247,826.88

Finding the Fourth Proportional to 449,031.04, 619,663.68 and 247,826.88

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Solution

The fourth proportional to 449,031.04, 619,663.68 and 247,826.88 is: 342,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,031.04 : 619,663.68 = 247,826.88 : x
  2. Step 2: Convert to fraction form
    449,031.04/619,663.68 = 247,826.88/x
  3. Step 3: Cross multiply
    449,031.04x = 619,663.68 × 247,826.88
  4. Step 4: Simplify right side
    449,031.04x = 153,569,316,463.72
  5. Step 5: Solve for x
    x = 153,569,316,463.72/449,031.04
  6. Step 6: Final answer
    x = 342,001.56

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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.