Home / 1,288,086.76-1,777,566.18-804,932.68

Finding the Fourth Proportional to 1,288,086.76, 1,777,566.18 and 804,932.68

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Solution

The fourth proportional to 1,288,086.76, 1,777,566.18 and 804,932.68 is: 1,110,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,086.76 : 1,777,566.18 = 804,932.68 : x
  2. Step 2: Convert to fraction form
    1,288,086.76/1,777,566.18 = 804,932.68/x
  3. Step 3: Cross multiply
    1,288,086.76x = 1,777,566.18 × 804,932.68
  4. Step 4: Simplify right side
    1,288,086.76x = 1,430,821,109,144.76
  5. Step 5: Solve for x
    x = 1,430,821,109,144.76/1,288,086.76
  6. Step 6: Final answer
    x = 1,110,811.13

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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.