Home / 1,665,975.24-2,498,940.72-403,813.80

Finding the Fourth Proportional to 1,665,975.24, 2,498,940.72 and 403,813.80

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Solution

The fourth proportional to 1,665,975.24, 2,498,940.72 and 403,813.80 is: 605,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,975.24 : 2,498,940.72 = 403,813.80 : x
  2. Step 2: Convert to fraction form
    1,665,975.24/2,498,940.72 = 403,813.80/x
  3. Step 3: Cross multiply
    1,665,975.24x = 2,498,940.72 × 403,813.80
  4. Step 4: Simplify right side
    1,665,975.24x = 1,009,106,748,117.94
  5. Step 5: Solve for x
    x = 1,009,106,748,117.94/1,665,975.24
  6. Step 6: Final answer
    x = 605,715.33

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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.