Home / 1,641,868.50-2,265,757.07-916,728.56

Finding the Fourth Proportional to 1,641,868.50, 2,265,757.07 and 916,728.56

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Solution

The fourth proportional to 1,641,868.50, 2,265,757.07 and 916,728.56 is: 1,265,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,868.50 : 2,265,757.07 = 916,728.56 : x
  2. Step 2: Convert to fraction form
    1,641,868.50/2,265,757.07 = 916,728.56/x
  3. Step 3: Cross multiply
    1,641,868.50x = 2,265,757.07 × 916,728.56
  4. Step 4: Simplify right side
    1,641,868.50x = 2,077,084,216,090.92
  5. Step 5: Solve for x
    x = 2,077,084,216,090.92/1,641,868.50
  6. Step 6: Final answer
    x = 1,265,073.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.