Home / 821,054.40-1,232,503.20-634,891.20

Finding the Fourth Proportional to 821,054.40, 1,232,503.20 and 634,891.20

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Solution

The fourth proportional to 821,054.40, 1,232,503.20 and 634,891.20 is: 953,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,054.40 : 1,232,503.20 = 634,891.20 : x
  2. Step 2: Convert to fraction form
    821,054.40/1,232,503.20 = 634,891.20/x
  3. Step 3: Cross multiply
    821,054.40x = 1,232,503.20 × 634,891.20
  4. Step 4: Simplify right side
    821,054.40x = 782,505,435,651.84
  5. Step 5: Solve for x
    x = 782,505,435,651.84/821,054.40
  6. Step 6: Final answer
    x = 953,049.44

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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.