Home / 403,600.71-556,948.40-222,308.73

Finding the Fourth Proportional to 403,600.71, 556,948.40 and 222,308.73

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Solution

The fourth proportional to 403,600.71, 556,948.40 and 222,308.73 is: 306,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,600.71 : 556,948.40 = 222,308.73 : x
  2. Step 2: Convert to fraction form
    403,600.71/556,948.40 = 222,308.73/x
  3. Step 3: Cross multiply
    403,600.71x = 556,948.40 × 222,308.73
  4. Step 4: Simplify right side
    403,600.71x = 123,814,490,367.99
  5. Step 5: Solve for x
    x = 123,814,490,367.99/403,600.71
  6. Step 6: Final answer
    x = 306,774.71

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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.