Home / 1,115,571.42-1,539,429.54-632,142.36

Finding the Fourth Proportional to 1,115,571.42, 1,539,429.54 and 632,142.36

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Solution

The fourth proportional to 1,115,571.42, 1,539,429.54 and 632,142.36 is: 872,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,571.42 : 1,539,429.54 = 632,142.36 : x
  2. Step 2: Convert to fraction form
    1,115,571.42/1,539,429.54 = 632,142.36/x
  3. Step 3: Cross multiply
    1,115,571.42x = 1,539,429.54 × 632,142.36
  4. Step 4: Simplify right side
    1,115,571.42x = 973,138,622,469.32
  5. Step 5: Solve for x
    x = 973,138,622,469.32/1,115,571.42
  6. Step 6: Final answer
    x = 872,323.01

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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.