Home / 1,203,997.47-1,805,975.52-405,278.94

Finding the Fourth Proportional to 1,203,997.47, 1,805,975.52 and 405,278.94

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Solution

The fourth proportional to 1,203,997.47, 1,805,975.52 and 405,278.94 is: 607,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,997.47 : 1,805,975.52 = 405,278.94 : x
  2. Step 2: Convert to fraction form
    1,203,997.47/1,805,975.52 = 405,278.94/x
  3. Step 3: Cross multiply
    1,203,997.47x = 1,805,975.52 × 405,278.94
  4. Step 4: Simplify right side
    1,203,997.47x = 731,923,844,411.55
  5. Step 5: Solve for x
    x = 731,923,844,411.55/1,203,997.47
  6. Step 6: Final answer
    x = 607,911.45

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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.