Home / 850,101.09-1,172,831.36-482,365.27

Finding the Fourth Proportional to 850,101.09, 1,172,831.36 and 482,365.27

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Solution

The fourth proportional to 850,101.09, 1,172,831.36 and 482,365.27 is: 665,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,101.09 : 1,172,831.36 = 482,365.27 : x
  2. Step 2: Convert to fraction form
    850,101.09/1,172,831.36 = 482,365.27/x
  3. Step 3: Cross multiply
    850,101.09x = 1,172,831.36 × 482,365.27
  4. Step 4: Simplify right side
    850,101.09x = 565,733,115,630.87
  5. Step 5: Solve for x
    x = 565,733,115,630.87/850,101.09
  6. Step 6: Final answer
    x = 665,489.23

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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.