Home / 1,263,183.80-1,893,854.10-514,844.60

Finding the Fourth Proportional to 1,263,183.80, 1,893,854.10 and 514,844.60

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Solution

The fourth proportional to 1,263,183.80, 1,893,854.10 and 514,844.60 is: 771,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,183.80 : 1,893,854.10 = 514,844.60 : x
  2. Step 2: Convert to fraction form
    1,263,183.80/1,893,854.10 = 514,844.60/x
  3. Step 3: Cross multiply
    1,263,183.80x = 1,893,854.10 × 514,844.60
  4. Step 4: Simplify right side
    1,263,183.80x = 975,040,556,572.86
  5. Step 5: Solve for x
    x = 975,040,556,572.86/1,263,183.80
  6. Step 6: Final answer
    x = 771,891.28

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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.