Home / 700,799.20-1,049,989.20-326,053.60

Finding the Fourth Proportional to 700,799.20, 1,049,989.20 and 326,053.60

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Solution

The fourth proportional to 700,799.20, 1,049,989.20 and 326,053.60 is: 488,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,799.20 : 1,049,989.20 = 326,053.60 : x
  2. Step 2: Convert to fraction form
    700,799.20/1,049,989.20 = 326,053.60/x
  3. Step 3: Cross multiply
    700,799.20x = 1,049,989.20 × 326,053.60
  4. Step 4: Simplify right side
    700,799.20x = 342,352,758,621.12
  5. Step 5: Solve for x
    x = 342,352,758,621.12/700,799.20
  6. Step 6: Final answer
    x = 488,517.62

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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.