Home / 1,275,883.76-1,760,698.92-695,113.80

Finding the Fourth Proportional to 1,275,883.76, 1,760,698.92 and 695,113.80

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Solution

The fourth proportional to 1,275,883.76, 1,760,698.92 and 695,113.80 is: 959,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,883.76 : 1,760,698.92 = 695,113.80 : x
  2. Step 2: Convert to fraction form
    1,275,883.76/1,760,698.92 = 695,113.80/x
  3. Step 3: Cross multiply
    1,275,883.76x = 1,760,698.92 × 695,113.80
  4. Step 4: Simplify right side
    1,275,883.76x = 1,223,886,116,937.10
  5. Step 5: Solve for x
    x = 1,223,886,116,937.10/1,275,883.76
  6. Step 6: Final answer
    x = 959,245.78

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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.