Home / 925,333.40-1,388,000.10-570,747.80

Finding the Fourth Proportional to 925,333.40, 1,388,000.10 and 570,747.80

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Solution

The fourth proportional to 925,333.40, 1,388,000.10 and 570,747.80 is: 856,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,333.40 : 1,388,000.10 = 570,747.80 : x
  2. Step 2: Convert to fraction form
    925,333.40/1,388,000.10 = 570,747.80/x
  3. Step 3: Cross multiply
    925,333.40x = 1,388,000.10 × 570,747.80
  4. Step 4: Simplify right side
    925,333.40x = 792,198,003,474.78
  5. Step 5: Solve for x
    x = 792,198,003,474.78/925,333.40
  6. Step 6: Final answer
    x = 856,121.70

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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.