Home / 1,640,803.60-2,457,268.80-798,371.20

Finding the Fourth Proportional to 1,640,803.60, 2,457,268.80 and 798,371.20

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Solution

The fourth proportional to 1,640,803.60, 2,457,268.80 and 798,371.20 is: 1,195,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,803.60 : 2,457,268.80 = 798,371.20 : x
  2. Step 2: Convert to fraction form
    1,640,803.60/2,457,268.80 = 798,371.20/x
  3. Step 3: Cross multiply
    1,640,803.60x = 2,457,268.80 × 798,371.20
  4. Step 4: Simplify right side
    1,640,803.60x = 1,961,812,640,578.56
  5. Step 5: Solve for x
    x = 1,961,812,640,578.56/1,640,803.60
  6. Step 6: Final answer
    x = 1,195,641.36

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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.