Home / 403,759.80-557,181.18-222,488.46

Finding the Fourth Proportional to 403,759.80, 557,181.18 and 222,488.46

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Solution

The fourth proportional to 403,759.80, 557,181.18 and 222,488.46 is: 307,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,759.80 : 557,181.18 = 222,488.46 : x
  2. Step 2: Convert to fraction form
    403,759.80/557,181.18 = 222,488.46/x
  3. Step 3: Cross multiply
    403,759.80x = 557,181.18 × 222,488.46
  4. Step 4: Simplify right side
    403,759.80x = 123,966,382,679.18
  5. Step 5: Solve for x
    x = 123,966,382,679.18/403,759.80
  6. Step 6: Final answer
    x = 307,030.03

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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.