Home / 505,824.48-758,719.20-126,748.52

Finding the Fourth Proportional to 505,824.48, 758,719.20 and 126,748.52

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Solution

The fourth proportional to 505,824.48, 758,719.20 and 126,748.52 is: 190,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,824.48 : 758,719.20 = 126,748.52 : x
  2. Step 2: Convert to fraction form
    505,824.48/758,719.20 = 126,748.52/x
  3. Step 3: Cross multiply
    505,824.48x = 758,719.20 × 126,748.52
  4. Step 4: Simplify right side
    505,824.48x = 96,166,535,695.58
  5. Step 5: Solve for x
    x = 96,166,535,695.58/505,824.48
  6. Step 6: Final answer
    x = 190,118.39

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1.5x scale

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.