Home / 770,975.20-1,156,462.80-202,355.20

Finding the Fourth Proportional to 770,975.20, 1,156,462.80 and 202,355.20

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Solution

The fourth proportional to 770,975.20, 1,156,462.80 and 202,355.20 is: 303,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,975.20 : 1,156,462.80 = 202,355.20 : x
  2. Step 2: Convert to fraction form
    770,975.20/1,156,462.80 = 202,355.20/x
  3. Step 3: Cross multiply
    770,975.20x = 1,156,462.80 × 202,355.20
  4. Step 4: Simplify right side
    770,975.20x = 234,016,261,186.56
  5. Step 5: Solve for x
    x = 234,016,261,186.56/770,975.20
  6. Step 6: Final answer
    x = 303,532.80

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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.