Home / 1,901,816.20-2,852,724.30-639,512.20

Finding the Fourth Proportional to 1,901,816.20, 2,852,724.30 and 639,512.20

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Solution

The fourth proportional to 1,901,816.20, 2,852,724.30 and 639,512.20 is: 959,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,816.20 : 2,852,724.30 = 639,512.20 : x
  2. Step 2: Convert to fraction form
    1,901,816.20/2,852,724.30 = 639,512.20/x
  3. Step 3: Cross multiply
    1,901,816.20x = 2,852,724.30 × 639,512.20
  4. Step 4: Simplify right side
    1,901,816.20x = 1,824,351,993,086.46
  5. Step 5: Solve for x
    x = 1,824,351,993,086.46/1,901,816.20
  6. Step 6: Final answer
    x = 959,268.30

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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.