Home / 1,756,826.90-2,635,629.15-809,969.30

Finding the Fourth Proportional to 1,756,826.90, 2,635,629.15 and 809,969.30

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Solution

The fourth proportional to 1,756,826.90, 2,635,629.15 and 809,969.30 is: 1,215,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,826.90 : 2,635,629.15 = 809,969.30 : x
  2. Step 2: Convert to fraction form
    1,756,826.90/2,635,629.15 = 809,969.30/x
  3. Step 3: Cross multiply
    1,756,826.90x = 2,635,629.15 × 809,969.30
  4. Step 4: Simplify right side
    1,756,826.90x = 2,134,778,697,685.10
  5. Step 5: Solve for x
    x = 2,134,778,697,685.10/1,756,826.90
  6. Step 6: Final answer
    x = 1,215,133.20

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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.