Home / 925,837.60-1,389,217.20-364,890.40

Finding the Fourth Proportional to 925,837.60, 1,389,217.20 and 364,890.40

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Solution

The fourth proportional to 925,837.60, 1,389,217.20 and 364,890.40 is: 547,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,837.60 : 1,389,217.20 = 364,890.40 : x
  2. Step 2: Convert to fraction form
    925,837.60/1,389,217.20 = 364,890.40/x
  3. Step 3: Cross multiply
    925,837.60x = 1,389,217.20 × 364,890.40
  4. Step 4: Simplify right side
    925,837.60x = 506,912,019,794.88
  5. Step 5: Solve for x
    x = 506,912,019,794.88/925,837.60
  6. Step 6: Final answer
    x = 547,517.21

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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.