Home / 1,794,111.76-2,475,856.15-978,313.38

Finding the Fourth Proportional to 1,794,111.76, 2,475,856.15 and 978,313.38

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Solution

The fourth proportional to 1,794,111.76, 2,475,856.15 and 978,313.38 is: 1,350,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794,111.76 : 2,475,856.15 = 978,313.38 : x
  2. Step 2: Convert to fraction form
    1,794,111.76/2,475,856.15 = 978,313.38/x
  3. Step 3: Cross multiply
    1,794,111.76x = 2,475,856.15 × 978,313.38
  4. Step 4: Simplify right side
    1,794,111.76x = 2,422,163,198,500.29
  5. Step 5: Solve for x
    x = 2,422,163,198,500.29/1,794,111.76
  6. Step 6: Final answer
    x = 1,350,062.61

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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.