Home / 1,726,137.60-2,587,262.40-828,009.60

Finding the Fourth Proportional to 1,726,137.60, 2,587,262.40 and 828,009.60

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Solution

The fourth proportional to 1,726,137.60, 2,587,262.40 and 828,009.60 is: 1,241,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,137.60 : 2,587,262.40 = 828,009.60 : x
  2. Step 2: Convert to fraction form
    1,726,137.60/2,587,262.40 = 828,009.60/x
  3. Step 3: Cross multiply
    1,726,137.60x = 2,587,262.40 × 828,009.60
  4. Step 4: Simplify right side
    1,726,137.60x = 2,142,278,104,919.04
  5. Step 5: Solve for x
    x = 2,142,278,104,919.04/1,726,137.60
  6. Step 6: Final answer
    x = 1,241,081.88

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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.