Home / 1,386,066.60-2,079,309.18-587,351.40

Finding the Fourth Proportional to 1,386,066.60, 2,079,309.18 and 587,351.40

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Solution

The fourth proportional to 1,386,066.60, 2,079,309.18 and 587,351.40 is: 881,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,066.60 : 2,079,309.18 = 587,351.40 : x
  2. Step 2: Convert to fraction form
    1,386,066.60/2,079,309.18 = 587,351.40/x
  3. Step 3: Cross multiply
    1,386,066.60x = 2,079,309.18 × 587,351.40
  4. Step 4: Simplify right side
    1,386,066.60x = 1,221,285,157,905.85
  5. Step 5: Solve for x
    x = 1,221,285,157,905.85/1,386,066.60
  6. Step 6: Final answer
    x = 881,115.78

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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.