Home / 823,938.80-1,235,908.20-805,506.80

Finding the Fourth Proportional to 823,938.80, 1,235,908.20 and 805,506.80

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Solution

The fourth proportional to 823,938.80, 1,235,908.20 and 805,506.80 is: 1,208,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,938.80 : 1,235,908.20 = 805,506.80 : x
  2. Step 2: Convert to fraction form
    823,938.80/1,235,908.20 = 805,506.80/x
  3. Step 3: Cross multiply
    823,938.80x = 1,235,908.20 × 805,506.80
  4. Step 4: Simplify right side
    823,938.80x = 995,532,459,275.76
  5. Step 5: Solve for x
    x = 995,532,459,275.76/823,938.80
  6. Step 6: Final answer
    x = 1,208,260.20

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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.