Home / 619,738.92-929,595.96-407,845.26

Finding the Fourth Proportional to 619,738.92, 929,595.96 and 407,845.26

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Solution

The fourth proportional to 619,738.92, 929,595.96 and 407,845.26 is: 611,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,738.92 : 929,595.96 = 407,845.26 : x
  2. Step 2: Convert to fraction form
    619,738.92/929,595.96 = 407,845.26/x
  3. Step 3: Cross multiply
    619,738.92x = 929,595.96 × 407,845.26
  4. Step 4: Simplify right side
    619,738.92x = 379,131,306,001.15
  5. Step 5: Solve for x
    x = 379,131,306,001.15/619,738.92
  6. Step 6: Final answer
    x = 611,759.72

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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.