Home / 645,039.51-967,596.18-195,775.04

Finding the Fourth Proportional to 645,039.51, 967,596.18 and 195,775.04

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Solution

The fourth proportional to 645,039.51, 967,596.18 and 195,775.04 is: 293,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,039.51 : 967,596.18 = 195,775.04 : x
  2. Step 2: Convert to fraction form
    645,039.51/967,596.18 = 195,775.04/x
  3. Step 3: Cross multiply
    645,039.51x = 967,596.18 × 195,775.04
  4. Step 4: Simplify right side
    645,039.51x = 189,431,180,843.35
  5. Step 5: Solve for x
    x = 189,431,180,843.35/645,039.51
  6. Step 6: Final answer
    x = 293,673.76

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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.