Home / 683,766.70-1,025,650.05-471,190.30

Finding the Fourth Proportional to 683,766.70, 1,025,650.05 and 471,190.30

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Solution

The fourth proportional to 683,766.70, 1,025,650.05 and 471,190.30 is: 706,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,766.70 : 1,025,650.05 = 471,190.30 : x
  2. Step 2: Convert to fraction form
    683,766.70/1,025,650.05 = 471,190.30/x
  3. Step 3: Cross multiply
    683,766.70x = 1,025,650.05 × 471,190.30
  4. Step 4: Simplify right side
    683,766.70x = 483,276,354,754.52
  5. Step 5: Solve for x
    x = 483,276,354,754.52/683,766.70
  6. Step 6: Final answer
    x = 706,785.45

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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.