Home / 1,377,961.98-1,901,650.86-766,177.53

Finding the Fourth Proportional to 1,377,961.98, 1,901,650.86 and 766,177.53

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Solution

The fourth proportional to 1,377,961.98, 1,901,650.86 and 766,177.53 is: 1,057,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,961.98 : 1,901,650.86 = 766,177.53 : x
  2. Step 2: Convert to fraction form
    1,377,961.98/1,901,650.86 = 766,177.53/x
  3. Step 3: Cross multiply
    1,377,961.98x = 1,901,650.86 × 766,177.53
  4. Step 4: Simplify right side
    1,377,961.98x = 1,457,002,158,837.18
  5. Step 5: Solve for x
    x = 1,457,002,158,837.18/1,377,961.98
  6. Step 6: Final answer
    x = 1,057,360.20

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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.