Home / 522,864.13-721,566.87-293,435.49

Finding the Fourth Proportional to 522,864.13, 721,566.87 and 293,435.49

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Solution

The fourth proportional to 522,864.13, 721,566.87 and 293,435.49 is: 404,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,864.13 : 721,566.87 = 293,435.49 : x
  2. Step 2: Convert to fraction form
    522,864.13/721,566.87 = 293,435.49/x
  3. Step 3: Cross multiply
    522,864.13x = 721,566.87 × 293,435.49
  4. Step 4: Simplify right side
    522,864.13x = 211,733,328,066.22
  5. Step 5: Solve for x
    x = 211,733,328,066.22/522,864.13
  6. Step 6: Final answer
    x = 404,949.04

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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.