Home / 984,108.80-1,476,746.40-648,112.70

Finding the Fourth Proportional to 984,108.80, 1,476,746.40 and 648,112.70

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Solution

The fourth proportional to 984,108.80, 1,476,746.40 and 648,112.70 is: 972,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,108.80 : 1,476,746.40 = 648,112.70 : x
  2. Step 2: Convert to fraction form
    984,108.80/1,476,746.40 = 648,112.70/x
  3. Step 3: Cross multiply
    984,108.80x = 1,476,746.40 × 648,112.70
  4. Step 4: Simplify right side
    984,108.80x = 957,098,096,519.28
  5. Step 5: Solve for x
    x = 957,098,096,519.28/984,108.80
  6. Step 6: Final answer
    x = 972,553.13

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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.