Home / 1,643,617.77-2,465,426.61-445,540.07

Finding the Fourth Proportional to 1,643,617.77, 2,465,426.61 and 445,540.07

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Solution

The fourth proportional to 1,643,617.77, 2,465,426.61 and 445,540.07 is: 668,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,617.77 : 2,465,426.61 = 445,540.07 : x
  2. Step 2: Convert to fraction form
    1,643,617.77/2,465,426.61 = 445,540.07/x
  3. Step 3: Cross multiply
    1,643,617.77x = 2,465,426.61 × 445,540.07
  4. Step 4: Simplify right side
    1,643,617.77x = 1,098,446,344,399.26
  5. Step 5: Solve for x
    x = 1,098,446,344,399.26/1,643,617.77
  6. Step 6: Final answer
    x = 668,310.09

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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.