Home / 403,319.55-556,560.99-222,047.36

Finding the Fourth Proportional to 403,319.55, 556,560.99 and 222,047.36

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Solution

The fourth proportional to 403,319.55, 556,560.99 and 222,047.36 is: 306,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,319.55 : 556,560.99 = 222,047.36 : x
  2. Step 2: Convert to fraction form
    403,319.55/556,560.99 = 222,047.36/x
  3. Step 3: Cross multiply
    403,319.55x = 556,560.99 × 222,047.36
  4. Step 4: Simplify right side
    403,319.55x = 123,582,898,508.49
  5. Step 5: Solve for x
    x = 123,582,898,508.49/403,319.55
  6. Step 6: Final answer
    x = 306,414.35

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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.