Home / 403,613.11-556,983.48-222,320.84

Finding the Fourth Proportional to 403,613.11, 556,983.48 and 222,320.84

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Solution

The fourth proportional to 403,613.11, 556,983.48 and 222,320.84 is: 306,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,613.11 : 556,983.48 = 222,320.84 : x
  2. Step 2: Convert to fraction form
    403,613.11/556,983.48 = 222,320.84/x
  3. Step 3: Cross multiply
    403,613.11x = 556,983.48 × 222,320.84
  4. Step 4: Simplify right side
    403,613.11x = 123,829,033,188.51
  5. Step 5: Solve for x
    x = 123,829,033,188.51/403,613.11
  6. Step 6: Final answer
    x = 306,801.31

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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.