Home / 403,531.92-556,899.23-222,243.80

Finding the Fourth Proportional to 403,531.92, 556,899.23 and 222,243.80

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Solution

The fourth proportional to 403,531.92, 556,899.23 and 222,243.80 is: 306,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,531.92 : 556,899.23 = 222,243.80 : x
  2. Step 2: Convert to fraction form
    403,531.92/556,899.23 = 222,243.80/x
  3. Step 3: Cross multiply
    403,531.92x = 556,899.23 × 222,243.80
  4. Step 4: Simplify right side
    403,531.92x = 123,767,401,373.30
  5. Step 5: Solve for x
    x = 123,767,401,373.30/403,531.92
  6. Step 6: Final answer
    x = 306,710.31

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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.