Home / 1,121,399.40-1,682,099.10-531,575.40

Finding the Fourth Proportional to 1,121,399.40, 1,682,099.10 and 531,575.40

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Solution

The fourth proportional to 1,121,399.40, 1,682,099.10 and 531,575.40 is: 797,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,399.40 : 1,682,099.10 = 531,575.40 : x
  2. Step 2: Convert to fraction form
    1,121,399.40/1,682,099.10 = 531,575.40/x
  3. Step 3: Cross multiply
    1,121,399.40x = 1,682,099.10 × 531,575.40
  4. Step 4: Simplify right side
    1,121,399.40x = 894,162,501,922.14
  5. Step 5: Solve for x
    x = 894,162,501,922.14/1,121,399.40
  6. Step 6: Final answer
    x = 797,363.10

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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.