Home / 403,391.52-556,693.56-222,116.76

Finding the Fourth Proportional to 403,391.52, 556,693.56 and 222,116.76

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Solution

The fourth proportional to 403,391.52, 556,693.56 and 222,116.76 is: 306,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,391.52 : 556,693.56 = 222,116.76 : x
  2. Step 2: Convert to fraction form
    403,391.52/556,693.56 = 222,116.76/x
  3. Step 3: Cross multiply
    403,391.52x = 556,693.56 × 222,116.76
  4. Step 4: Simplify right side
    403,391.52x = 123,650,969,860.07
  5. Step 5: Solve for x
    x = 123,650,969,860.07/403,391.52
  6. Step 6: Final answer
    x = 306,528.43

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Double scale
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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.