Home / 549,319.60-823,979.40-233,786.80

Finding the Fourth Proportional to 549,319.60, 823,979.40 and 233,786.80

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Solution

The fourth proportional to 549,319.60, 823,979.40 and 233,786.80 is: 350,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,319.60 : 823,979.40 = 233,786.80 : x
  2. Step 2: Convert to fraction form
    549,319.60/823,979.40 = 233,786.80/x
  3. Step 3: Cross multiply
    549,319.60x = 823,979.40 × 233,786.80
  4. Step 4: Simplify right side
    549,319.60x = 192,635,507,191.92
  5. Step 5: Solve for x
    x = 192,635,507,191.92/549,319.60
  6. Step 6: Final answer
    x = 350,680.20

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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.