Home / 1,439,514.60-2,157,988.56-729,177

Finding the Fourth Proportional to 1,439,514.60, 2,157,988.56 and 729,177

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Solution

The fourth proportional to 1,439,514.60, 2,157,988.56 and 729,177 is: 1,093,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,514.60 : 2,157,988.56 = 729,177 : x
  2. Step 2: Convert to fraction form
    1,439,514.60/2,157,988.56 = 729,177/x
  3. Step 3: Cross multiply
    1,439,514.60x = 2,157,988.56 × 729,177
  4. Step 4: Simplify right side
    1,439,514.60x = 1,573,555,624,215.12
  5. Step 5: Solve for x
    x = 1,573,555,624,215.12/1,439,514.60
  6. Step 6: Final answer
    x = 1,093,115.43

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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.