Home / 628,219.39-942,727.63-268,392.95

Finding the Fourth Proportional to 628,219.39, 942,727.63 and 268,392.95

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Solution

The fourth proportional to 628,219.39, 942,727.63 and 268,392.95 is: 402,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,219.39 : 942,727.63 = 268,392.95 : x
  2. Step 2: Convert to fraction form
    628,219.39/942,727.63 = 268,392.95/x
  3. Step 3: Cross multiply
    628,219.39x = 942,727.63 × 268,392.95
  4. Step 4: Simplify right side
    628,219.39x = 253,021,449,662.21
  5. Step 5: Solve for x
    x = 253,021,449,662.21/628,219.39
  6. Step 6: Final answer
    x = 402,759.69

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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.