Home / 1,128,255.45-1,690,791.83-623,043.87

Finding the Fourth Proportional to 1,128,255.45, 1,690,791.83 and 623,043.87

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Solution

The fourth proportional to 1,128,255.45, 1,690,791.83 and 623,043.87 is: 933,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,255.45 : 1,690,791.83 = 623,043.87 : x
  2. Step 2: Convert to fraction form
    1,128,255.45/1,690,791.83 = 623,043.87/x
  3. Step 3: Cross multiply
    1,128,255.45x = 1,690,791.83 × 623,043.87
  4. Step 4: Simplify right side
    1,128,255.45x = 1,053,437,484,348.78
  5. Step 5: Solve for x
    x = 1,053,437,484,348.78/1,128,255.45
  6. Step 6: Final answer
    x = 933,687.03

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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.