Home / 799,711.01-1,199,566.50-320,154.69

Finding the Fourth Proportional to 799,711.01, 1,199,566.50 and 320,154.69

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Solution

The fourth proportional to 799,711.01, 1,199,566.50 and 320,154.69 is: 480,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,711.01 : 1,199,566.50 = 320,154.69 : x
  2. Step 2: Convert to fraction form
    799,711.01/1,199,566.50 = 320,154.69/x
  3. Step 3: Cross multiply
    799,711.01x = 1,199,566.50 × 320,154.69
  4. Step 4: Simplify right side
    799,711.01x = 384,046,844,239.68
  5. Step 5: Solve for x
    x = 384,046,844,239.68/799,711.01
  6. Step 6: Final answer
    x = 480,232.03

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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.