Home / 926,588.77-1,278,845.55-635,961.59

Finding the Fourth Proportional to 926,588.77, 1,278,845.55 and 635,961.59

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Solution

The fourth proportional to 926,588.77, 1,278,845.55 and 635,961.59 is: 877,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,588.77 : 1,278,845.55 = 635,961.59 : x
  2. Step 2: Convert to fraction form
    926,588.77/1,278,845.55 = 635,961.59/x
  3. Step 3: Cross multiply
    926,588.77x = 1,278,845.55 × 635,961.59
  4. Step 4: Simplify right side
    926,588.77x = 813,296,648,200.75
  5. Step 5: Solve for x
    x = 813,296,648,200.75/926,588.77
  6. Step 6: Final answer
    x = 877,732.03

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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.