Home / 1,391,899.60-2,086,827.72-444,724.48

Finding the Fourth Proportional to 1,391,899.60, 2,086,827.72 and 444,724.48

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Solution

The fourth proportional to 1,391,899.60, 2,086,827.72 and 444,724.48 is: 666,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,899.60 : 2,086,827.72 = 444,724.48 : x
  2. Step 2: Convert to fraction form
    1,391,899.60/2,086,827.72 = 444,724.48/x
  3. Step 3: Cross multiply
    1,391,899.60x = 2,086,827.72 × 444,724.48
  4. Step 4: Simplify right side
    1,391,899.60x = 928,063,372,626.59
  5. Step 5: Solve for x
    x = 928,063,372,626.59/1,391,899.60
  6. Step 6: Final answer
    x = 666,760.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.