Home / 384,960.29-577,434.07-115,089.05

Finding the Fourth Proportional to 384,960.29, 577,434.07 and 115,089.05

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Solution

The fourth proportional to 384,960.29, 577,434.07 and 115,089.05 is: 172,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,960.29 : 577,434.07 = 115,089.05 : x
  2. Step 2: Convert to fraction form
    384,960.29/577,434.07 = 115,089.05/x
  3. Step 3: Cross multiply
    384,960.29x = 577,434.07 × 115,089.05
  4. Step 4: Simplify right side
    384,960.29x = 66,456,340,141.38
  5. Step 5: Solve for x
    x = 66,456,340,141.38/384,960.29
  6. Step 6: Final answer
    x = 172,631.68

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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.