Home / 1,019,053.78-1,528,578.87-271,099.78

Finding the Fourth Proportional to 1,019,053.78, 1,528,578.87 and 271,099.78

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Solution

The fourth proportional to 1,019,053.78, 1,528,578.87 and 271,099.78 is: 406,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,053.78 : 1,528,578.87 = 271,099.78 : x
  2. Step 2: Convert to fraction form
    1,019,053.78/1,528,578.87 = 271,099.78/x
  3. Step 3: Cross multiply
    1,019,053.78x = 1,528,578.87 × 271,099.78
  4. Step 4: Simplify right side
    1,019,053.78x = 414,397,395,369.65
  5. Step 5: Solve for x
    x = 414,397,395,369.65/1,019,053.78
  6. Step 6: Final answer
    x = 406,649.19

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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.