Home / 385,938.48-532,634.52-222,601.44

Finding the Fourth Proportional to 385,938.48, 532,634.52 and 222,601.44

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Solution

The fourth proportional to 385,938.48, 532,634.52 and 222,601.44 is: 307,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,938.48 : 532,634.52 = 222,601.44 : x
  2. Step 2: Convert to fraction form
    385,938.48/532,634.52 = 222,601.44/x
  3. Step 3: Cross multiply
    385,938.48x = 532,634.52 × 222,601.44
  4. Step 4: Simplify right side
    385,938.48x = 118,565,211,145.71
  5. Step 5: Solve for x
    x = 118,565,211,145.71/385,938.48
  6. Step 6: Final answer
    x = 307,212.72

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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.