Home / 769,734.60-1,154,601.90-570,936.30

Finding the Fourth Proportional to 769,734.60, 1,154,601.90 and 570,936.30

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Solution

The fourth proportional to 769,734.60, 1,154,601.90 and 570,936.30 is: 856,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,734.60 : 1,154,601.90 = 570,936.30 : x
  2. Step 2: Convert to fraction form
    769,734.60/1,154,601.90 = 570,936.30/x
  3. Step 3: Cross multiply
    769,734.60x = 1,154,601.90 × 570,936.30
  4. Step 4: Simplify right side
    769,734.60x = 659,204,136,758.97
  5. Step 5: Solve for x
    x = 659,204,136,758.97/769,734.60
  6. Step 6: Final answer
    x = 856,404.45

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Double scale
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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.