Home / 985,608.40-1,478,412.60-237,654.40

Finding the Fourth Proportional to 985,608.40, 1,478,412.60 and 237,654.40

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Solution

The fourth proportional to 985,608.40, 1,478,412.60 and 237,654.40 is: 356,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,608.40 : 1,478,412.60 = 237,654.40 : x
  2. Step 2: Convert to fraction form
    985,608.40/1,478,412.60 = 237,654.40/x
  3. Step 3: Cross multiply
    985,608.40x = 1,478,412.60 × 237,654.40
  4. Step 4: Simplify right side
    985,608.40x = 351,351,259,405.44
  5. Step 5: Solve for x
    x = 351,351,259,405.44/985,608.40
  6. Step 6: Final answer
    x = 356,481.60

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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.