Home / 1,253,276.77-1,729,524.14-680,317.33

Finding the Fourth Proportional to 1,253,276.77, 1,729,524.14 and 680,317.33

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Solution

The fourth proportional to 1,253,276.77, 1,729,524.14 and 680,317.33 is: 938,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,276.77 : 1,729,524.14 = 680,317.33 : x
  2. Step 2: Convert to fraction form
    1,253,276.77/1,729,524.14 = 680,317.33/x
  3. Step 3: Cross multiply
    1,253,276.77x = 1,729,524.14 × 680,317.33
  4. Step 4: Simplify right side
    1,253,276.77x = 1,176,625,241,693.76
  5. Step 5: Solve for x
    x = 1,176,625,241,693.76/1,253,276.77
  6. Step 6: Final answer
    x = 938,839.11

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1.5x scale

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.