Home / 1,861,803.60-2,792,705.40-798,921.60

Finding the Fourth Proportional to 1,861,803.60, 2,792,705.40 and 798,921.60

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Solution

The fourth proportional to 1,861,803.60, 2,792,705.40 and 798,921.60 is: 1,198,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,803.60 : 2,792,705.40 = 798,921.60 : x
  2. Step 2: Convert to fraction form
    1,861,803.60/2,792,705.40 = 798,921.60/x
  3. Step 3: Cross multiply
    1,861,803.60x = 2,792,705.40 × 798,921.60
  4. Step 4: Simplify right side
    1,861,803.60x = 2,231,152,666,496.64
  5. Step 5: Solve for x
    x = 2,231,152,666,496.64/1,861,803.60
  6. Step 6: Final answer
    x = 1,198,382.40

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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.