Home / 1,066,293.64-1,599,540.72-392,387.84

Finding the Fourth Proportional to 1,066,293.64, 1,599,540.72 and 392,387.84

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Solution

The fourth proportional to 1,066,293.64, 1,599,540.72 and 392,387.84 is: 588,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,293.64 : 1,599,540.72 = 392,387.84 : x
  2. Step 2: Convert to fraction form
    1,066,293.64/1,599,540.72 = 392,387.84/x
  3. Step 3: Cross multiply
    1,066,293.64x = 1,599,540.72 × 392,387.84
  4. Step 4: Simplify right side
    1,066,293.64x = 627,640,328,112.85
  5. Step 5: Solve for x
    x = 627,640,328,112.85/1,066,293.64
  6. Step 6: Final answer
    x = 588,618.65

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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.