Home / 403,860.32-557,331.04-222,578.88

Finding the Fourth Proportional to 403,860.32, 557,331.04 and 222,578.88

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Solution

The fourth proportional to 403,860.32, 557,331.04 and 222,578.88 is: 307,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,860.32 : 557,331.04 = 222,578.88 : x
  2. Step 2: Convert to fraction form
    403,860.32/557,331.04 = 222,578.88/x
  3. Step 3: Cross multiply
    403,860.32x = 557,331.04 × 222,578.88
  4. Step 4: Simplify right side
    403,860.32x = 124,050,118,672.44
  5. Step 5: Solve for x
    x = 124,050,118,672.44/403,860.32
  6. Step 6: Final answer
    x = 307,160.95

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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.