Home / 892,910.74-1,232,230.08-485,020.54

Finding the Fourth Proportional to 892,910.74, 1,232,230.08 and 485,020.54

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Solution

The fourth proportional to 892,910.74, 1,232,230.08 and 485,020.54 is: 669,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,910.74 : 1,232,230.08 = 485,020.54 : x
  2. Step 2: Convert to fraction form
    892,910.74/1,232,230.08 = 485,020.54/x
  3. Step 3: Cross multiply
    892,910.74x = 1,232,230.08 × 485,020.54
  4. Step 4: Simplify right side
    892,910.74x = 597,656,898,805.84
  5. Step 5: Solve for x
    x = 597,656,898,805.84/892,910.74
  6. Step 6: Final answer
    x = 669,335.55

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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.