Home / 403,885.83-557,339.70-222,597.18

Finding the Fourth Proportional to 403,885.83, 557,339.70 and 222,597.18

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Solution

The fourth proportional to 403,885.83, 557,339.70 and 222,597.18 is: 307,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,885.83 : 557,339.70 = 222,597.18 : x
  2. Step 2: Convert to fraction form
    403,885.83/557,339.70 = 222,597.18/x
  3. Step 3: Cross multiply
    403,885.83x = 557,339.70 × 222,597.18
  4. Step 4: Simplify right side
    403,885.83x = 124,062,245,522.05
  5. Step 5: Solve for x
    x = 124,062,245,522.05/403,885.83
  6. Step 6: Final answer
    x = 307,171.57

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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.