Home / 1,074,793.32-1,612,131.66-326,781

Finding the Fourth Proportional to 1,074,793.32, 1,612,131.66 and 326,781

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Solution

The fourth proportional to 1,074,793.32, 1,612,131.66 and 326,781 is: 490,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,793.32 : 1,612,131.66 = 326,781 : x
  2. Step 2: Convert to fraction form
    1,074,793.32/1,612,131.66 = 326,781/x
  3. Step 3: Cross multiply
    1,074,793.32x = 1,612,131.66 × 326,781
  4. Step 4: Simplify right side
    1,074,793.32x = 526,813,995,986.46
  5. Step 5: Solve for x
    x = 526,813,995,986.46/1,074,793.32
  6. Step 6: Final answer
    x = 490,153.77

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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.