Home / 1,516,131.28-2,274,187.62-378,887.62

Finding the Fourth Proportional to 1,516,131.28, 2,274,187.62 and 378,887.62

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Solution

The fourth proportional to 1,516,131.28, 2,274,187.62 and 378,887.62 is: 568,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,131.28 : 2,274,187.62 = 378,887.62 : x
  2. Step 2: Convert to fraction form
    1,516,131.28/2,274,187.62 = 378,887.62/x
  3. Step 3: Cross multiply
    1,516,131.28x = 2,274,187.62 × 378,887.62
  4. Step 4: Simplify right side
    1,516,131.28x = 861,661,534,775.26
  5. Step 5: Solve for x
    x = 861,661,534,775.26/1,516,131.28
  6. Step 6: Final answer
    x = 568,329.11

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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.