Home / 1,019,171.51-1,528,941.14-419,805.53

Finding the Fourth Proportional to 1,019,171.51, 1,528,941.14 and 419,805.53

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Solution

The fourth proportional to 1,019,171.51, 1,528,941.14 and 419,805.53 is: 629,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,171.51 : 1,528,941.14 = 419,805.53 : x
  2. Step 2: Convert to fraction form
    1,019,171.51/1,528,941.14 = 419,805.53/x
  3. Step 3: Cross multiply
    1,019,171.51x = 1,528,941.14 × 419,805.53
  4. Step 4: Simplify right side
    1,019,171.51x = 641,857,943,517.48
  5. Step 5: Solve for x
    x = 641,857,943,517.48/1,019,171.51
  6. Step 6: Final answer
    x = 629,784.03

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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.