Home / 1,763,532.88-2,643,426.33-1,121,817.81

Finding the Fourth Proportional to 1,763,532.88, 2,643,426.33 and 1,121,817.81

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Solution

The fourth proportional to 1,763,532.88, 2,643,426.33 and 1,121,817.81 is: 1,681,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,532.88 : 2,643,426.33 = 1,121,817.81 : x
  2. Step 2: Convert to fraction form
    1,763,532.88/2,643,426.33 = 1,121,817.81/x
  3. Step 3: Cross multiply
    1,763,532.88x = 2,643,426.33 × 1,121,817.81
  4. Step 4: Simplify right side
    1,763,532.88x = 2,965,442,736,416.94
  5. Step 5: Solve for x
    x = 2,965,442,736,416.94/1,763,532.88
  6. Step 6: Final answer
    x = 1,681,535.27

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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.