Home / 1,103,391.36-1,522,637.69-619,976.88

Finding the Fourth Proportional to 1,103,391.36, 1,522,637.69 and 619,976.88

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Solution

The fourth proportional to 1,103,391.36, 1,522,637.69 and 619,976.88 is: 855,544.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,391.36 : 1,522,637.69 = 619,976.88 : x
  2. Step 2: Convert to fraction form
    1,103,391.36/1,522,637.69 = 619,976.88/x
  3. Step 3: Cross multiply
    1,103,391.36x = 1,522,637.69 × 619,976.88
  4. Step 4: Simplify right side
    1,103,391.36x = 944,000,161,316.72
  5. Step 5: Solve for x
    x = 944,000,161,316.72/1,103,391.36
  6. Step 6: Final answer
    x = 855,544.28

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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.