Home / 761,896.28-1,142,832.80-185,524.97

Finding the Fourth Proportional to 761,896.28, 1,142,832.80 and 185,524.97

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Solution

The fourth proportional to 761,896.28, 1,142,832.80 and 185,524.97 is: 278,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,896.28 : 1,142,832.80 = 185,524.97 : x
  2. Step 2: Convert to fraction form
    761,896.28/1,142,832.80 = 185,524.97/x
  3. Step 3: Cross multiply
    761,896.28x = 1,142,832.80 × 185,524.97
  4. Step 4: Simplify right side
    761,896.28x = 212,024,015,684.66
  5. Step 5: Solve for x
    x = 212,024,015,684.66/761,896.28
  6. Step 6: Final answer
    x = 278,284.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.