Home / 1,243,171.43-1,864,572.38-344,519.46

Finding the Fourth Proportional to 1,243,171.43, 1,864,572.38 and 344,519.46

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Solution

The fourth proportional to 1,243,171.43, 1,864,572.38 and 344,519.46 is: 516,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,171.43 : 1,864,572.38 = 344,519.46 : x
  2. Step 2: Convert to fraction form
    1,243,171.43/1,864,572.38 = 344,519.46/x
  3. Step 3: Cross multiply
    1,243,171.43x = 1,864,572.38 × 344,519.46
  4. Step 4: Simplify right side
    1,243,171.43x = 642,381,469,057.87
  5. Step 5: Solve for x
    x = 642,381,469,057.87/1,243,171.43
  6. Step 6: Final answer
    x = 516,727.99

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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.