Home / 769,336.76-1,061,652.03-425,185.58

Finding the Fourth Proportional to 769,336.76, 1,061,652.03 and 425,185.58

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Solution

The fourth proportional to 769,336.76, 1,061,652.03 and 425,185.58 is: 586,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,336.76 : 1,061,652.03 = 425,185.58 : x
  2. Step 2: Convert to fraction form
    769,336.76/1,061,652.03 = 425,185.58/x
  3. Step 3: Cross multiply
    769,336.76x = 1,061,652.03 × 425,185.58
  4. Step 4: Simplify right side
    769,336.76x = 451,399,127,231.02
  5. Step 5: Solve for x
    x = 451,399,127,231.02/769,336.76
  6. Step 6: Final answer
    x = 586,738.02

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Double scale
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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.