Home / 403,331.52-556,572.96-222,008.16

Finding the Fourth Proportional to 403,331.52, 556,572.96 and 222,008.16

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Solution

The fourth proportional to 403,331.52, 556,572.96 and 222,008.16 is: 306,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,331.52 : 556,572.96 = 222,008.16 : x
  2. Step 2: Convert to fraction form
    403,331.52/556,572.96 = 222,008.16/x
  3. Step 3: Cross multiply
    403,331.52x = 556,572.96 × 222,008.16
  4. Step 4: Simplify right side
    403,331.52x = 123,563,738,755.35
  5. Step 5: Solve for x
    x = 123,563,738,755.35/403,331.52
  6. Step 6: Final answer
    x = 306,357.75

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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.