Home / 408,384.29-563,543.64-227,089.49

Finding the Fourth Proportional to 408,384.29, 563,543.64 and 227,089.49

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Solution

The fourth proportional to 408,384.29, 563,543.64 and 227,089.49 is: 313,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,384.29 : 563,543.64 = 227,089.49 : x
  2. Step 2: Convert to fraction form
    408,384.29/563,543.64 = 227,089.49/x
  3. Step 3: Cross multiply
    408,384.29x = 563,543.64 × 227,089.49
  4. Step 4: Simplify right side
    408,384.29x = 127,974,834,982.63
  5. Step 5: Solve for x
    x = 127,974,834,982.63/408,384.29
  6. Step 6: Final answer
    x = 313,368.66

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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.