Home / 849,998.41-1,274,691.33-281,274.53

Finding the Fourth Proportional to 849,998.41, 1,274,691.33 and 281,274.53

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Solution

The fourth proportional to 849,998.41, 1,274,691.33 and 281,274.53 is: 421,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,998.41 : 1,274,691.33 = 281,274.53 : x
  2. Step 2: Convert to fraction form
    849,998.41/1,274,691.33 = 281,274.53/x
  3. Step 3: Cross multiply
    849,998.41x = 1,274,691.33 × 281,274.53
  4. Step 4: Simplify right side
    849,998.41x = 358,538,198,367.37
  5. Step 5: Solve for x
    x = 358,538,198,367.37/849,998.41
  6. Step 6: Final answer
    x = 421,810.44

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Double scale
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Similar ratio
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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.