Home / 403,333.13-556,589.90-222,043.61

Finding the Fourth Proportional to 403,333.13, 556,589.90 and 222,043.61

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Solution

The fourth proportional to 403,333.13, 556,589.90 and 222,043.61 is: 306,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,333.13 : 556,589.90 = 222,043.61 : x
  2. Step 2: Convert to fraction form
    403,333.13/556,589.90 = 222,043.61/x
  3. Step 3: Cross multiply
    403,333.13x = 556,589.90 × 222,043.61
  4. Step 4: Simplify right side
    403,333.13x = 123,587,227,902.59
  5. Step 5: Solve for x
    x = 123,587,227,902.59/403,333.13
  6. Step 6: Final answer
    x = 306,414.77

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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.