Home / 385,675.73-532,262.03-222,358.80

Finding the Fourth Proportional to 385,675.73, 532,262.03 and 222,358.80

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Solution

The fourth proportional to 385,675.73, 532,262.03 and 222,358.80 is: 306,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,675.73 : 532,262.03 = 222,358.80 : x
  2. Step 2: Convert to fraction form
    385,675.73/532,262.03 = 222,358.80/x
  3. Step 3: Cross multiply
    385,675.73x = 532,262.03 × 222,358.80
  4. Step 4: Simplify right side
    385,675.73x = 118,353,146,276.36
  5. Step 5: Solve for x
    x = 118,353,146,276.36/385,675.73
  6. Step 6: Final answer
    x = 306,872.17

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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.