Home / 1,195,647.72-1,650,582.91-828,403.31

Finding the Fourth Proportional to 1,195,647.72, 1,650,582.91 and 828,403.31

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Solution

The fourth proportional to 1,195,647.72, 1,650,582.91 and 828,403.31 is: 1,143,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,647.72 : 1,650,582.91 = 828,403.31 : x
  2. Step 2: Convert to fraction form
    1,195,647.72/1,650,582.91 = 828,403.31/x
  3. Step 3: Cross multiply
    1,195,647.72x = 1,650,582.91 × 828,403.31
  4. Step 4: Simplify right side
    1,195,647.72x = 1,367,348,346,073.43
  5. Step 5: Solve for x
    x = 1,367,348,346,073.43/1,195,647.72
  6. Step 6: Final answer
    x = 1,143,604.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.