Home / 1,128,550.36-1,557,395.22-619,261.24

Finding the Fourth Proportional to 1,128,550.36, 1,557,395.22 and 619,261.24

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Solution

The fourth proportional to 1,128,550.36, 1,557,395.22 and 619,261.24 is: 854,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,550.36 : 1,557,395.22 = 619,261.24 : x
  2. Step 2: Convert to fraction form
    1,128,550.36/1,557,395.22 = 619,261.24/x
  3. Step 3: Cross multiply
    1,128,550.36x = 1,557,395.22 × 619,261.24
  4. Step 4: Simplify right side
    1,128,550.36x = 964,434,495,107.27
  5. Step 5: Solve for x
    x = 964,434,495,107.27/1,128,550.36
  6. Step 6: Final answer
    x = 854,578.16

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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.