Home / 1,253,665.74-1,730,010.20-680,692.80

Finding the Fourth Proportional to 1,253,665.74, 1,730,010.20 and 680,692.80

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Solution

The fourth proportional to 1,253,665.74, 1,730,010.20 and 680,692.80 is: 939,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,665.74 : 1,730,010.20 = 680,692.80 : x
  2. Step 2: Convert to fraction form
    1,253,665.74/1,730,010.20 = 680,692.80/x
  3. Step 3: Cross multiply
    1,253,665.74x = 1,730,010.20 × 680,692.80
  4. Step 4: Simplify right side
    1,253,665.74x = 1,177,605,487,066.56
  5. Step 5: Solve for x
    x = 1,177,605,487,066.56/1,253,665.74
  6. Step 6: Final answer
    x = 939,329.72

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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.