Home / 1,135,785.70-1,703,678.55-966,916.90

Finding the Fourth Proportional to 1,135,785.70, 1,703,678.55 and 966,916.90

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Solution

The fourth proportional to 1,135,785.70, 1,703,678.55 and 966,916.90 is: 1,450,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,785.70 : 1,703,678.55 = 966,916.90 : x
  2. Step 2: Convert to fraction form
    1,135,785.70/1,703,678.55 = 966,916.90/x
  3. Step 3: Cross multiply
    1,135,785.70x = 1,703,678.55 × 966,916.90
  4. Step 4: Simplify right side
    1,135,785.70x = 1,647,315,582,162.50
  5. Step 5: Solve for x
    x = 1,647,315,582,162.50/1,135,785.70
  6. Step 6: Final answer
    x = 1,450,375.35

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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.