Home / 403,595.15-556,955.19-222,307.43

Finding the Fourth Proportional to 403,595.15, 556,955.19 and 222,307.43

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Solution

The fourth proportional to 403,595.15, 556,955.19 and 222,307.43 is: 306,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,595.15 : 556,955.19 = 222,307.43 : x
  2. Step 2: Convert to fraction form
    403,595.15/556,955.19 = 222,307.43/x
  3. Step 3: Cross multiply
    403,595.15x = 556,955.19 × 222,307.43
  4. Step 4: Simplify right side
    403,595.15x = 123,815,274,129.29
  5. Step 5: Solve for x
    x = 123,815,274,129.29/403,595.15
  6. Step 6: Final answer
    x = 306,780.88

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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.