Home / 1,719,101.20-2,578,651.80-868,795.60

Finding the Fourth Proportional to 1,719,101.20, 2,578,651.80 and 868,795.60

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Solution

The fourth proportional to 1,719,101.20, 2,578,651.80 and 868,795.60 is: 1,303,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,101.20 : 2,578,651.80 = 868,795.60 : x
  2. Step 2: Convert to fraction form
    1,719,101.20/2,578,651.80 = 868,795.60/x
  3. Step 3: Cross multiply
    1,719,101.20x = 2,578,651.80 × 868,795.60
  4. Step 4: Simplify right side
    1,719,101.20x = 2,240,321,337,772.08
  5. Step 5: Solve for x
    x = 2,240,321,337,772.08/1,719,101.20
  6. Step 6: Final answer
    x = 1,303,193.40

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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.