Home / 403,934.80-557,404.66-222,636.75

Finding the Fourth Proportional to 403,934.80, 557,404.66 and 222,636.75

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Solution

The fourth proportional to 403,934.80, 557,404.66 and 222,636.75 is: 307,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,934.80 : 557,404.66 = 222,636.75 : x
  2. Step 2: Convert to fraction form
    403,934.80/557,404.66 = 222,636.75/x
  3. Step 3: Cross multiply
    403,934.80x = 557,404.66 × 222,636.75
  4. Step 4: Simplify right side
    403,934.80x = 124,098,761,937.26
  5. Step 5: Solve for x
    x = 124,098,761,937.26/403,934.80
  6. Step 6: Final answer
    x = 307,224.74

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1.5x scale

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.