Home / 664,710.20-996,950.10-243,769.40

Finding the Fourth Proportional to 664,710.20, 996,950.10 and 243,769.40

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Solution

The fourth proportional to 664,710.20, 996,950.10 and 243,769.40 is: 365,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,710.20 : 996,950.10 = 243,769.40 : x
  2. Step 2: Convert to fraction form
    664,710.20/996,950.10 = 243,769.40/x
  3. Step 3: Cross multiply
    664,710.20x = 996,950.10 × 243,769.40
  4. Step 4: Simplify right side
    664,710.20x = 243,025,927,706.94
  5. Step 5: Solve for x
    x = 243,025,927,706.94/664,710.20
  6. Step 6: Final answer
    x = 365,611.85

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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.