Home / 859,611.60-1,289,417.40-228,589.20

Finding the Fourth Proportional to 859,611.60, 1,289,417.40 and 228,589.20

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Solution

The fourth proportional to 859,611.60, 1,289,417.40 and 228,589.20 is: 342,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,611.60 : 1,289,417.40 = 228,589.20 : x
  2. Step 2: Convert to fraction form
    859,611.60/1,289,417.40 = 228,589.20/x
  3. Step 3: Cross multiply
    859,611.60x = 1,289,417.40 × 228,589.20
  4. Step 4: Simplify right side
    859,611.60x = 294,746,891,932.08
  5. Step 5: Solve for x
    x = 294,746,891,932.08/859,611.60
  6. Step 6: Final answer
    x = 342,883.80

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1.5x scale

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.