Home / 1,257,880.20-1,735,903.16-713,965.11

Finding the Fourth Proportional to 1,257,880.20, 1,735,903.16 and 713,965.11

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Solution

The fourth proportional to 1,257,880.20, 1,735,903.16 and 713,965.11 is: 985,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,880.20 : 1,735,903.16 = 713,965.11 : x
  2. Step 2: Convert to fraction form
    1,257,880.20/1,735,903.16 = 713,965.11/x
  3. Step 3: Cross multiply
    1,257,880.20x = 1,735,903.16 × 713,965.11
  4. Step 4: Simplify right side
    1,257,880.20x = 1,239,374,290,578.75
  5. Step 5: Solve for x
    x = 1,239,374,290,578.75/1,257,880.20
  6. Step 6: Final answer
    x = 985,288.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.