Home / 403,530.66-556,897.48-222,242.54

Finding the Fourth Proportional to 403,530.66, 556,897.48 and 222,242.54

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Solution

The fourth proportional to 403,530.66, 556,897.48 and 222,242.54 is: 306,708.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,530.66 : 556,897.48 = 222,242.54 : x
  2. Step 2: Convert to fraction form
    403,530.66/556,897.48 = 222,242.54/x
  3. Step 3: Cross multiply
    403,530.66x = 556,897.48 × 222,242.54
  4. Step 4: Simplify right side
    403,530.66x = 123,766,307,134.71
  5. Step 5: Solve for x
    x = 123,766,307,134.71/403,530.66
  6. Step 6: Final answer
    x = 306,708.56

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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.