Home / 1,605,147.23-2,215,102.63-879,979.39

Finding the Fourth Proportional to 1,605,147.23, 2,215,102.63 and 879,979.39

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Solution

The fourth proportional to 1,605,147.23, 2,215,102.63 and 879,979.39 is: 1,214,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,147.23 : 2,215,102.63 = 879,979.39 : x
  2. Step 2: Convert to fraction form
    1,605,147.23/2,215,102.63 = 879,979.39/x
  3. Step 3: Cross multiply
    1,605,147.23x = 2,215,102.63 × 879,979.39
  4. Step 4: Simplify right side
    1,605,147.23x = 1,949,244,645,659.39
  5. Step 5: Solve for x
    x = 1,949,244,645,659.39/1,605,147.23
  6. Step 6: Final answer
    x = 1,214,371.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.