Home / 919,177.70-1,265,852.49-664,124.90

Finding the Fourth Proportional to 919,177.70, 1,265,852.49 and 664,124.90

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Solution

The fourth proportional to 919,177.70, 1,265,852.49 and 664,124.90 is: 914,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,177.70 : 1,265,852.49 = 664,124.90 : x
  2. Step 2: Convert to fraction form
    919,177.70/1,265,852.49 = 664,124.90/x
  3. Step 3: Cross multiply
    919,177.70x = 1,265,852.49 × 664,124.90
  4. Step 4: Simplify right side
    919,177.70x = 840,684,158,336.00
  5. Step 5: Solve for x
    x = 840,684,158,336.00/919,177.70
  6. Step 6: Final answer
    x = 914,604.61

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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.