Home / 828,158.88-1,241,352.57-378,205.50

Finding the Fourth Proportional to 828,158.88, 1,241,352.57 and 378,205.50

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Solution

The fourth proportional to 828,158.88, 1,241,352.57 and 378,205.50 is: 566,903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,158.88 : 1,241,352.57 = 378,205.50 : x
  2. Step 2: Convert to fraction form
    828,158.88/1,241,352.57 = 378,205.50/x
  3. Step 3: Cross multiply
    828,158.88x = 1,241,352.57 × 378,205.50
  4. Step 4: Simplify right side
    828,158.88x = 469,486,369,413.14
  5. Step 5: Solve for x
    x = 469,486,369,413.14/828,158.88
  6. Step 6: Final answer
    x = 566,903.74

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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.