Home / 1,391,107.68-2,086,487.28-444,399.84

Finding the Fourth Proportional to 1,391,107.68, 2,086,487.28 and 444,399.84

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Solution

The fourth proportional to 1,391,107.68, 2,086,487.28 and 444,399.84 is: 666,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,107.68 : 2,086,487.28 = 444,399.84 : x
  2. Step 2: Convert to fraction form
    1,391,107.68/2,086,487.28 = 444,399.84/x
  3. Step 3: Cross multiply
    1,391,107.68x = 2,086,487.28 × 444,399.84
  4. Step 4: Simplify right side
    1,391,107.68x = 927,234,613,394.04
  5. Step 5: Solve for x
    x = 927,234,613,394.04/1,391,107.68
  6. Step 6: Final answer
    x = 666,544.10

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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.