Home / 853,325.84-1,177,540.85-509,549.69

Finding the Fourth Proportional to 853,325.84, 1,177,540.85 and 509,549.69

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Solution

The fourth proportional to 853,325.84, 1,177,540.85 and 509,549.69 is: 703,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,325.84 : 1,177,540.85 = 509,549.69 : x
  2. Step 2: Convert to fraction form
    853,325.84/1,177,540.85 = 509,549.69/x
  3. Step 3: Cross multiply
    853,325.84x = 1,177,540.85 × 509,549.69
  4. Step 4: Simplify right side
    853,325.84x = 600,015,579,297.56
  5. Step 5: Solve for x
    x = 600,015,579,297.56/853,325.84
  6. Step 6: Final answer
    x = 703,149.43

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Double scale
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1.5x scale

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.