Home / 808,227.30-1,212,340.95-528,060.90

Finding the Fourth Proportional to 808,227.30, 1,212,340.95 and 528,060.90

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Solution

The fourth proportional to 808,227.30, 1,212,340.95 and 528,060.90 is: 792,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,227.30 : 1,212,340.95 = 528,060.90 : x
  2. Step 2: Convert to fraction form
    808,227.30/1,212,340.95 = 528,060.90/x
  3. Step 3: Cross multiply
    808,227.30x = 1,212,340.95 × 528,060.90
  4. Step 4: Simplify right side
    808,227.30x = 640,189,853,163.86
  5. Step 5: Solve for x
    x = 640,189,853,163.86/808,227.30
  6. Step 6: Final answer
    x = 792,091.35

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Double scale
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Similar ratio
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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.