Home / 769,764.60-1,154,646.90-201,144.60

Finding the Fourth Proportional to 769,764.60, 1,154,646.90 and 201,144.60

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Solution

The fourth proportional to 769,764.60, 1,154,646.90 and 201,144.60 is: 301,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,764.60 : 1,154,646.90 = 201,144.60 : x
  2. Step 2: Convert to fraction form
    769,764.60/1,154,646.90 = 201,144.60/x
  3. Step 3: Cross multiply
    769,764.60x = 1,154,646.90 × 201,144.60
  4. Step 4: Simplify right side
    769,764.60x = 232,250,988,841.74
  5. Step 5: Solve for x
    x = 232,250,988,841.74/769,764.60
  6. Step 6: Final answer
    x = 301,716.90

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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.