Home / 1,074,617.20-1,611,867.47-326,604.88

Finding the Fourth Proportional to 1,074,617.20, 1,611,867.47 and 326,604.88

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Solution

The fourth proportional to 1,074,617.20, 1,611,867.47 and 326,604.88 is: 489,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,617.20 : 1,611,867.47 = 326,604.88 : x
  2. Step 2: Convert to fraction form
    1,074,617.20/1,611,867.47 = 326,604.88/x
  3. Step 3: Cross multiply
    1,074,617.20x = 1,611,867.47 × 326,604.88
  4. Step 4: Simplify right side
    1,074,617.20x = 526,443,773,555.92
  5. Step 5: Solve for x
    x = 526,443,773,555.92/1,074,617.20
  6. Step 6: Final answer
    x = 489,889.59

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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.