Home / 1,619,979.15-2,235,520.43-884,921.61

Finding the Fourth Proportional to 1,619,979.15, 2,235,520.43 and 884,921.61

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Solution

The fourth proportional to 1,619,979.15, 2,235,520.43 and 884,921.61 is: 1,221,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,979.15 : 2,235,520.43 = 884,921.61 : x
  2. Step 2: Convert to fraction form
    1,619,979.15/2,235,520.43 = 884,921.61/x
  3. Step 3: Cross multiply
    1,619,979.15x = 2,235,520.43 × 884,921.61
  4. Step 4: Simplify right side
    1,619,979.15x = 1,978,260,340,992.38
  5. Step 5: Solve for x
    x = 1,978,260,340,992.38/1,619,979.15
  6. Step 6: Final answer
    x = 1,221,164.08

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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.