Home / 838,922.18-1,257,885.56-333,211.10

Finding the Fourth Proportional to 838,922.18, 1,257,885.56 and 333,211.10

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Solution

The fourth proportional to 838,922.18, 1,257,885.56 and 333,211.10 is: 499,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,922.18 : 1,257,885.56 = 333,211.10 : x
  2. Step 2: Convert to fraction form
    838,922.18/1,257,885.56 = 333,211.10/x
  3. Step 3: Cross multiply
    838,922.18x = 1,257,885.56 × 333,211.10
  4. Step 4: Simplify right side
    838,922.18x = 419,141,431,121.72
  5. Step 5: Solve for x
    x = 419,141,431,121.72/838,922.18
  6. Step 6: Final answer
    x = 499,618.96

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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.