Home / 823,946.80-1,235,920.20-805,514.80

Finding the Fourth Proportional to 823,946.80, 1,235,920.20 and 805,514.80

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Solution

The fourth proportional to 823,946.80, 1,235,920.20 and 805,514.80 is: 1,208,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,946.80 : 1,235,920.20 = 805,514.80 : x
  2. Step 2: Convert to fraction form
    823,946.80/1,235,920.20 = 805,514.80/x
  3. Step 3: Cross multiply
    823,946.80x = 1,235,920.20 × 805,514.80
  4. Step 4: Simplify right side
    823,946.80x = 995,552,012,718.96
  5. Step 5: Solve for x
    x = 995,552,012,718.96/823,946.80
  6. Step 6: Final answer
    x = 1,208,272.20

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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.