Home / 627,990.32-942,028.68-207,561.44

Finding the Fourth Proportional to 627,990.32, 942,028.68 and 207,561.44

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Solution

The fourth proportional to 627,990.32, 942,028.68 and 207,561.44 is: 311,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,990.32 : 942,028.68 = 207,561.44 : x
  2. Step 2: Convert to fraction form
    627,990.32/942,028.68 = 207,561.44/x
  3. Step 3: Cross multiply
    627,990.32x = 942,028.68 × 207,561.44
  4. Step 4: Simplify right side
    627,990.32x = 195,528,829,342.10
  5. Step 5: Solve for x
    x = 195,528,829,342.10/627,990.32
  6. Step 6: Final answer
    x = 311,356.44

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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.