Home / 746,645.60-1,119,968.40-273,670.40

Finding the Fourth Proportional to 746,645.60, 1,119,968.40 and 273,670.40

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Solution

The fourth proportional to 746,645.60, 1,119,968.40 and 273,670.40 is: 410,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,645.60 : 1,119,968.40 = 273,670.40 : x
  2. Step 2: Convert to fraction form
    746,645.60/1,119,968.40 = 273,670.40/x
  3. Step 3: Cross multiply
    746,645.60x = 1,119,968.40 × 273,670.40
  4. Step 4: Simplify right side
    746,645.60x = 306,502,200,015.36
  5. Step 5: Solve for x
    x = 306,502,200,015.36/746,645.60
  6. Step 6: Final answer
    x = 410,505.60

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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.