Home / 681,035.37-939,835.14-375,112.86

Finding the Fourth Proportional to 681,035.37, 939,835.14 and 375,112.86

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Solution

The fourth proportional to 681,035.37, 939,835.14 and 375,112.86 is: 517,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,035.37 : 939,835.14 = 375,112.86 : x
  2. Step 2: Convert to fraction form
    681,035.37/939,835.14 = 375,112.86/x
  3. Step 3: Cross multiply
    681,035.37x = 939,835.14 × 375,112.86
  4. Step 4: Simplify right side
    681,035.37x = 352,544,240,719.16
  5. Step 5: Solve for x
    x = 352,544,240,719.16/681,035.37
  6. Step 6: Final answer
    x = 517,659.23

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1.5x scale

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.