Home / 1,965,673.33-2,949,856.59-686,280.96

Finding the Fourth Proportional to 1,965,673.33, 2,949,856.59 and 686,280.96

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Solution

The fourth proportional to 1,965,673.33, 2,949,856.59 and 686,280.96 is: 1,029,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,673.33 : 2,949,856.59 = 686,280.96 : x
  2. Step 2: Convert to fraction form
    1,965,673.33/2,949,856.59 = 686,280.96/x
  3. Step 3: Cross multiply
    1,965,673.33x = 2,949,856.59 × 686,280.96
  4. Step 4: Simplify right side
    1,965,673.33x = 2,024,430,412,447.53
  5. Step 5: Solve for x
    x = 2,024,430,412,447.53/1,965,673.33
  6. Step 6: Final answer
    x = 1,029,891.58

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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.