Home / 805,198.89-1,207,996.11-400,582.02

Finding the Fourth Proportional to 805,198.89, 1,207,996.11 and 400,582.02

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Solution

The fourth proportional to 805,198.89, 1,207,996.11 and 400,582.02 is: 600,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,198.89 : 1,207,996.11 = 400,582.02 : x
  2. Step 2: Convert to fraction form
    805,198.89/1,207,996.11 = 400,582.02/x
  3. Step 3: Cross multiply
    805,198.89x = 1,207,996.11 × 400,582.02
  4. Step 4: Simplify right side
    805,198.89x = 483,901,521,895.94
  5. Step 5: Solve for x
    x = 483,901,521,895.94/805,198.89
  6. Step 6: Final answer
    x = 600,971.42

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1.5x scale

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.