Home / 1,225,243.11-1,837,865.07-505,574.31

Finding the Fourth Proportional to 1,225,243.11, 1,837,865.07 and 505,574.31

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Solution

The fourth proportional to 1,225,243.11, 1,837,865.07 and 505,574.31 is: 758,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,243.11 : 1,837,865.07 = 505,574.31 : x
  2. Step 2: Convert to fraction form
    1,225,243.11/1,837,865.07 = 505,574.31/x
  3. Step 3: Cross multiply
    1,225,243.11x = 1,837,865.07 × 505,574.31
  4. Step 4: Simplify right side
    1,225,243.11x = 929,177,364,638.35
  5. Step 5: Solve for x
    x = 929,177,364,638.35/1,225,243.11
  6. Step 6: Final answer
    x = 758,361.63

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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.