Home / 393,916.34-544,057.17-286,964.66

Finding the Fourth Proportional to 393,916.34, 544,057.17 and 286,964.66

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Solution

The fourth proportional to 393,916.34, 544,057.17 and 286,964.66 is: 396,340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,916.34 : 544,057.17 = 286,964.66 : x
  2. Step 2: Convert to fraction form
    393,916.34/544,057.17 = 286,964.66/x
  3. Step 3: Cross multiply
    393,916.34x = 544,057.17 × 286,964.66
  4. Step 4: Simplify right side
    393,916.34x = 156,125,180,809.61
  5. Step 5: Solve for x
    x = 156,125,180,809.61/393,916.34
  6. Step 6: Final answer
    x = 396,340.96

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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.