Home / 1,776,568.96-2,663,669.68-978,226.48

Finding the Fourth Proportional to 1,776,568.96, 2,663,669.68 and 978,226.48

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Solution

The fourth proportional to 1,776,568.96, 2,663,669.68 and 978,226.48 is: 1,466,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,568.96 : 2,663,669.68 = 978,226.48 : x
  2. Step 2: Convert to fraction form
    1,776,568.96/2,663,669.68 = 978,226.48/x
  3. Step 3: Cross multiply
    1,776,568.96x = 2,663,669.68 × 978,226.48
  4. Step 4: Simplify right side
    1,776,568.96x = 2,605,672,214,949.13
  5. Step 5: Solve for x
    x = 2,605,672,214,949.13/1,776,568.96
  6. Step 6: Final answer
    x = 1,466,687.91

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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.