Home / 1,131,778.96-1,561,846.80-622,470.40

Finding the Fourth Proportional to 1,131,778.96, 1,561,846.80 and 622,470.40

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Solution

The fourth proportional to 1,131,778.96, 1,561,846.80 and 622,470.40 is: 859,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,778.96 : 1,561,846.80 = 622,470.40 : x
  2. Step 2: Convert to fraction form
    1,131,778.96/1,561,846.80 = 622,470.40/x
  3. Step 3: Cross multiply
    1,131,778.96x = 1,561,846.80 × 622,470.40
  4. Step 4: Simplify right side
    1,131,778.96x = 972,203,402,334.72
  5. Step 5: Solve for x
    x = 972,203,402,334.72/1,131,778.96
  6. Step 6: Final answer
    x = 859,004.66

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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.