Home / 807,014.82-1,208,947.41-628,686.84

Finding the Fourth Proportional to 807,014.82, 1,208,947.41 and 628,686.84

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Solution

The fourth proportional to 807,014.82, 1,208,947.41 and 628,686.84 is: 941,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,014.82 : 1,208,947.41 = 628,686.84 : x
  2. Step 2: Convert to fraction form
    807,014.82/1,208,947.41 = 628,686.84/x
  3. Step 3: Cross multiply
    807,014.82x = 1,208,947.41 × 628,686.84
  4. Step 4: Simplify right side
    807,014.82x = 760,049,326,919.08
  5. Step 5: Solve for x
    x = 760,049,326,919.08/807,014.82
  6. Step 6: Final answer
    x = 941,803.43

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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.