Home / 1,202,457.65-1,659,418.37-686,201.24

Finding the Fourth Proportional to 1,202,457.65, 1,659,418.37 and 686,201.24

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Solution

The fourth proportional to 1,202,457.65, 1,659,418.37 and 686,201.24 is: 946,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,457.65 : 1,659,418.37 = 686,201.24 : x
  2. Step 2: Convert to fraction form
    1,202,457.65/1,659,418.37 = 686,201.24/x
  3. Step 3: Cross multiply
    1,202,457.65x = 1,659,418.37 × 686,201.24
  4. Step 4: Simplify right side
    1,202,457.65x = 1,138,694,931,444.68
  5. Step 5: Solve for x
    x = 1,138,694,931,444.68/1,202,457.65
  6. Step 6: Final answer
    x = 946,973.01

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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.