Home / 518,588.07-777,207.78-265,654.23

Finding the Fourth Proportional to 518,588.07, 777,207.78 and 265,654.23

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Solution

The fourth proportional to 518,588.07, 777,207.78 and 265,654.23 is: 398,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,588.07 : 777,207.78 = 265,654.23 : x
  2. Step 2: Convert to fraction form
    518,588.07/777,207.78 = 265,654.23/x
  3. Step 3: Cross multiply
    518,588.07x = 777,207.78 × 265,654.23
  4. Step 4: Simplify right side
    518,588.07x = 206,468,534,345.91
  5. Step 5: Solve for x
    x = 206,468,534,345.91/518,588.07
  6. Step 6: Final answer
    x = 398,135.91

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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.