Home / 764,090.40-1,146,135.60-195,470.40

Finding the Fourth Proportional to 764,090.40, 1,146,135.60 and 195,470.40

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Solution

The fourth proportional to 764,090.40, 1,146,135.60 and 195,470.40 is: 293,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,090.40 : 1,146,135.60 = 195,470.40 : x
  2. Step 2: Convert to fraction form
    764,090.40/1,146,135.60 = 195,470.40/x
  3. Step 3: Cross multiply
    764,090.40x = 1,146,135.60 × 195,470.40
  4. Step 4: Simplify right side
    764,090.40x = 224,035,584,186.24
  5. Step 5: Solve for x
    x = 224,035,584,186.24/764,090.40
  6. Step 6: Final answer
    x = 293,205.60

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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.