Home / 1,247,759.58-1,721,987.94-703,696.86

Finding the Fourth Proportional to 1,247,759.58, 1,721,987.94 and 703,696.86

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Solution

The fourth proportional to 1,247,759.58, 1,721,987.94 and 703,696.86 is: 971,146.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,759.58 : 1,721,987.94 = 703,696.86 : x
  2. Step 2: Convert to fraction form
    1,247,759.58/1,721,987.94 = 703,696.86/x
  3. Step 3: Cross multiply
    1,247,759.58x = 1,721,987.94 × 703,696.86
  4. Step 4: Simplify right side
    1,247,759.58x = 1,211,757,506,335.87
  5. Step 5: Solve for x
    x = 1,211,757,506,335.87/1,247,759.58
  6. Step 6: Final answer
    x = 971,146.63

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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.