Home / 656,207.20-905,546.10-361,856.76

Finding the Fourth Proportional to 656,207.20, 905,546.10 and 361,856.76

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Solution

The fourth proportional to 656,207.20, 905,546.10 and 361,856.76 is: 499,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,207.20 : 905,546.10 = 361,856.76 : x
  2. Step 2: Convert to fraction form
    656,207.20/905,546.10 = 361,856.76/x
  3. Step 3: Cross multiply
    656,207.20x = 905,546.10 × 361,856.76
  4. Step 4: Simplify right side
    656,207.20x = 327,677,977,776.64
  5. Step 5: Solve for x
    x = 327,677,977,776.64/656,207.20
  6. Step 6: Final answer
    x = 499,351.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.