Home / 403,397.52-556,701.84-222,122.76

Finding the Fourth Proportional to 403,397.52, 556,701.84 and 222,122.76

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Solution

The fourth proportional to 403,397.52, 556,701.84 and 222,122.76 is: 306,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,397.52 : 556,701.84 = 222,122.76 : x
  2. Step 2: Convert to fraction form
    403,397.52/556,701.84 = 222,122.76/x
  3. Step 3: Cross multiply
    403,397.52x = 556,701.84 × 222,122.76
  4. Step 4: Simplify right side
    403,397.52x = 123,656,149,197.88
  5. Step 5: Solve for x
    x = 123,656,149,197.88/403,397.52
  6. Step 6: Final answer
    x = 306,536.71

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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.