Home / 1,391,591.80-2,087,387.70-444,993.40

Finding the Fourth Proportional to 1,391,591.80, 2,087,387.70 and 444,993.40

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Solution

The fourth proportional to 1,391,591.80, 2,087,387.70 and 444,993.40 is: 667,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,591.80 : 2,087,387.70 = 444,993.40 : x
  2. Step 2: Convert to fraction form
    1,391,591.80/2,087,387.70 = 444,993.40/x
  3. Step 3: Cross multiply
    1,391,591.80x = 2,087,387.70 × 444,993.40
  4. Step 4: Simplify right side
    1,391,591.80x = 928,873,749,741.18
  5. Step 5: Solve for x
    x = 928,873,749,741.18/1,391,591.80
  6. Step 6: Final answer
    x = 667,490.10

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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.