Home / 1,221,755.06-1,680,043.24-1,060,329.86

Finding the Fourth Proportional to 1,221,755.06, 1,680,043.24 and 1,060,329.86

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Solution

The fourth proportional to 1,221,755.06, 1,680,043.24 and 1,060,329.86 is: 1,458,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,755.06 : 1,680,043.24 = 1,060,329.86 : x
  2. Step 2: Convert to fraction form
    1,221,755.06/1,680,043.24 = 1,060,329.86/x
  3. Step 3: Cross multiply
    1,221,755.06x = 1,680,043.24 × 1,060,329.86
  4. Step 4: Simplify right side
    1,221,755.06x = 1,781,400,013,463.15
  5. Step 5: Solve for x
    x = 1,781,400,013,463.15/1,221,755.06
  6. Step 6: Final answer
    x = 1,458,066.41

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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.