Home / 1,244,873.80-1,867,310.70-1,111,904.20

Finding the Fourth Proportional to 1,244,873.80, 1,867,310.70 and 1,111,904.20

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Solution

The fourth proportional to 1,244,873.80, 1,867,310.70 and 1,111,904.20 is: 1,667,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,873.80 : 1,867,310.70 = 1,111,904.20 : x
  2. Step 2: Convert to fraction form
    1,244,873.80/1,867,310.70 = 1,111,904.20/x
  3. Step 3: Cross multiply
    1,244,873.80x = 1,867,310.70 × 1,111,904.20
  4. Step 4: Simplify right side
    1,244,873.80x = 2,076,270,610,034.94
  5. Step 5: Solve for x
    x = 2,076,270,610,034.94/1,244,873.80
  6. Step 6: Final answer
    x = 1,667,856.30

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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.