Home / 919,149.70-1,377,248.32-866,005.60

Finding the Fourth Proportional to 919,149.70, 1,377,248.32 and 866,005.60

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Solution

The fourth proportional to 919,149.70, 1,377,248.32 and 866,005.60 is: 1,297,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,149.70 : 1,377,248.32 = 866,005.60 : x
  2. Step 2: Convert to fraction form
    919,149.70/1,377,248.32 = 866,005.60/x
  3. Step 3: Cross multiply
    919,149.70x = 1,377,248.32 × 866,005.60
  4. Step 4: Simplify right side
    919,149.70x = 1,192,704,757,710.59
  5. Step 5: Solve for x
    x = 1,192,704,757,710.59/919,149.70
  6. Step 6: Final answer
    x = 1,297,617.52

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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.