Home / 1,719,922.80-2,578,912.20-654,999.60

Finding the Fourth Proportional to 1,719,922.80, 2,578,912.20 and 654,999.60

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Solution

The fourth proportional to 1,719,922.80, 2,578,912.20 and 654,999.60 is: 982,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,922.80 : 2,578,912.20 = 654,999.60 : x
  2. Step 2: Convert to fraction form
    1,719,922.80/2,578,912.20 = 654,999.60/x
  3. Step 3: Cross multiply
    1,719,922.80x = 2,578,912.20 × 654,999.60
  4. Step 4: Simplify right side
    1,719,922.80x = 1,689,186,459,435.12
  5. Step 5: Solve for x
    x = 1,689,186,459,435.12/1,719,922.80
  6. Step 6: Final answer
    x = 982,129.23

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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.