Home / 681,401.16-940,333.62-395,087.33

Finding the Fourth Proportional to 681,401.16, 940,333.62 and 395,087.33

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Solution

The fourth proportional to 681,401.16, 940,333.62 and 395,087.33 is: 545,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,401.16 : 940,333.62 = 395,087.33 : x
  2. Step 2: Convert to fraction form
    681,401.16/940,333.62 = 395,087.33/x
  3. Step 3: Cross multiply
    681,401.16x = 940,333.62 × 395,087.33
  4. Step 4: Simplify right side
    681,401.16x = 371,513,894,533.37
  5. Step 5: Solve for x
    x = 371,513,894,533.37/681,401.16
  6. Step 6: Final answer
    x = 545,220.52

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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.