Home / 822,499.92-1,233,221.32-343,058.49

Finding the Fourth Proportional to 822,499.92, 1,233,221.32 and 343,058.49

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Solution

The fourth proportional to 822,499.92, 1,233,221.32 and 343,058.49 is: 514,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,499.92 : 1,233,221.32 = 343,058.49 : x
  2. Step 2: Convert to fraction form
    822,499.92/1,233,221.32 = 343,058.49/x
  3. Step 3: Cross multiply
    822,499.92x = 1,233,221.32 × 343,058.49
  4. Step 4: Simplify right side
    822,499.92x = 423,067,043,875.01
  5. Step 5: Solve for x
    x = 423,067,043,875.01/822,499.92
  6. Step 6: Final answer
    x = 514,367.28

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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.