Home / 505,899.66-758,831.34-126,823.51

Finding the Fourth Proportional to 505,899.66, 758,831.34 and 126,823.51

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Solution

The fourth proportional to 505,899.66, 758,831.34 and 126,823.51 is: 190,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,899.66 : 758,831.34 = 126,823.51 : x
  2. Step 2: Convert to fraction form
    505,899.66/758,831.34 = 126,823.51/x
  3. Step 3: Cross multiply
    505,899.66x = 758,831.34 × 126,823.51
  4. Step 4: Simplify right side
    505,899.66x = 96,237,652,139.73
  5. Step 5: Solve for x
    x = 96,237,652,139.73/505,899.66
  6. Step 6: Final answer
    x = 190,230.71

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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.