Home / 1,776,548.92-2,663,639.70-978,206.44

Finding the Fourth Proportional to 1,776,548.92, 2,663,639.70 and 978,206.44

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Solution

The fourth proportional to 1,776,548.92, 2,663,639.70 and 978,206.44 is: 1,466,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,548.92 : 2,663,639.70 = 978,206.44 : x
  2. Step 2: Convert to fraction form
    1,776,548.92/2,663,639.70 = 978,206.44/x
  3. Step 3: Cross multiply
    1,776,548.92x = 2,663,639.70 × 978,206.44
  4. Step 4: Simplify right side
    1,776,548.92x = 2,605,589,508,379.67
  5. Step 5: Solve for x
    x = 2,605,589,508,379.67/1,776,548.92
  6. Step 6: Final answer
    x = 1,466,657.90

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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.