Home / 764,404.60-1,146,606.90-195,784.60

Finding the Fourth Proportional to 764,404.60, 1,146,606.90 and 195,784.60

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Solution

The fourth proportional to 764,404.60, 1,146,606.90 and 195,784.60 is: 293,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,404.60 : 1,146,606.90 = 195,784.60 : x
  2. Step 2: Convert to fraction form
    764,404.60/1,146,606.90 = 195,784.60/x
  3. Step 3: Cross multiply
    764,404.60x = 1,146,606.90 × 195,784.60
  4. Step 4: Simplify right side
    764,404.60x = 224,487,973,273.74
  5. Step 5: Solve for x
    x = 224,487,973,273.74/764,404.60
  6. Step 6: Final answer
    x = 293,676.90

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Half scale
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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.