Home / 505,822.48-758,716.20-126,746.52

Finding the Fourth Proportional to 505,822.48, 758,716.20 and 126,746.52

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Solution

The fourth proportional to 505,822.48, 758,716.20 and 126,746.52 is: 190,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,822.48 : 758,716.20 = 126,746.52 : x
  2. Step 2: Convert to fraction form
    505,822.48/758,716.20 = 126,746.52/x
  3. Step 3: Cross multiply
    505,822.48x = 758,716.20 × 126,746.52
  4. Step 4: Simplify right side
    505,822.48x = 96,164,638,017.62
  5. Step 5: Solve for x
    x = 96,164,638,017.62/505,822.48
  6. Step 6: Final answer
    x = 190,115.39

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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.