Home / 1,195,778.90-1,791,989.83-654,644.03

Finding the Fourth Proportional to 1,195,778.90, 1,791,989.83 and 654,644.03

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Solution

The fourth proportional to 1,195,778.90, 1,791,989.83 and 654,644.03 is: 981,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,778.90 : 1,791,989.83 = 654,644.03 : x
  2. Step 2: Convert to fraction form
    1,195,778.90/1,791,989.83 = 654,644.03/x
  3. Step 3: Cross multiply
    1,195,778.90x = 1,791,989.83 × 654,644.03
  4. Step 4: Simplify right side
    1,195,778.90x = 1,173,115,435,888.57
  5. Step 5: Solve for x
    x = 1,173,115,435,888.57/1,195,778.90
  6. Step 6: Final answer
    x = 981,047.11

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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.