Home / 1,275,113.70-1,759,654.17-694,327.86

Finding the Fourth Proportional to 1,275,113.70, 1,759,654.17 and 694,327.86

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Solution

The fourth proportional to 1,275,113.70, 1,759,654.17 and 694,327.86 is: 958,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,113.70 : 1,759,654.17 = 694,327.86 : x
  2. Step 2: Convert to fraction form
    1,275,113.70/1,759,654.17 = 694,327.86/x
  3. Step 3: Cross multiply
    1,275,113.70x = 1,759,654.17 × 694,327.86
  4. Step 4: Simplify right side
    1,275,113.70x = 1,221,776,914,196.18
  5. Step 5: Solve for x
    x = 1,221,776,914,196.18/1,275,113.70
  6. Step 6: Final answer
    x = 958,170.96

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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.