Home / 1,131,762.96-1,561,824.72-622,454.40

Finding the Fourth Proportional to 1,131,762.96, 1,561,824.72 and 622,454.40

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Solution

The fourth proportional to 1,131,762.96, 1,561,824.72 and 622,454.40 is: 858,982.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,762.96 : 1,561,824.72 = 622,454.40 : x
  2. Step 2: Convert to fraction form
    1,131,762.96/1,561,824.72 = 622,454.40/x
  3. Step 3: Cross multiply
    1,131,762.96x = 1,561,824.72 × 622,454.40
  4. Step 4: Simplify right side
    1,131,762.96x = 972,164,668,992.77
  5. Step 5: Solve for x
    x = 972,164,668,992.77/1,131,762.96
  6. Step 6: Final answer
    x = 858,982.58

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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.