Home / 664,706.20-996,944.10-243,765.40

Finding the Fourth Proportional to 664,706.20, 996,944.10 and 243,765.40

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Solution

The fourth proportional to 664,706.20, 996,944.10 and 243,765.40 is: 365,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,706.20 : 996,944.10 = 243,765.40 : x
  2. Step 2: Convert to fraction form
    664,706.20/996,944.10 = 243,765.40/x
  3. Step 3: Cross multiply
    664,706.20x = 996,944.10 × 243,765.40
  4. Step 4: Simplify right side
    664,706.20x = 243,020,477,314.14
  5. Step 5: Solve for x
    x = 243,020,477,314.14/664,706.20
  6. Step 6: Final answer
    x = 365,605.85

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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.