Home / 769,216.40-1,061,503.08-467,507.60

Finding the Fourth Proportional to 769,216.40, 1,061,503.08 and 467,507.60

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Solution

The fourth proportional to 769,216.40, 1,061,503.08 and 467,507.60 is: 645,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,216.40 : 1,061,503.08 = 467,507.60 : x
  2. Step 2: Convert to fraction form
    769,216.40/1,061,503.08 = 467,507.60/x
  3. Step 3: Cross multiply
    769,216.40x = 1,061,503.08 × 467,507.60
  4. Step 4: Simplify right side
    769,216.40x = 496,260,757,323.41
  5. Step 5: Solve for x
    x = 496,260,757,323.41/769,216.40
  6. Step 6: Final answer
    x = 645,151.04

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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.