Home / 1,293,999.86-1,785,852.69-777,920.83

Finding the Fourth Proportional to 1,293,999.86, 1,785,852.69 and 777,920.83

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Solution

The fourth proportional to 1,293,999.86, 1,785,852.69 and 777,920.83 is: 1,073,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,999.86 : 1,785,852.69 = 777,920.83 : x
  2. Step 2: Convert to fraction form
    1,293,999.86/1,785,852.69 = 777,920.83/x
  3. Step 3: Cross multiply
    1,293,999.86x = 1,785,852.69 × 777,920.83
  4. Step 4: Simplify right side
    1,293,999.86x = 1,389,252,002,397.90
  5. Step 5: Solve for x
    x = 1,389,252,002,397.90/1,293,999.86
  6. Step 6: Final answer
    x = 1,073,610.63

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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.