Home / 681,542.51-940,688.98-423,614.27

Finding the Fourth Proportional to 681,542.51, 940,688.98 and 423,614.27

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Solution

The fourth proportional to 681,542.51, 940,688.98 and 423,614.27 is: 584,687.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,542.51 : 940,688.98 = 423,614.27 : x
  2. Step 2: Convert to fraction form
    681,542.51/940,688.98 = 423,614.27/x
  3. Step 3: Cross multiply
    681,542.51x = 940,688.98 × 423,614.27
  4. Step 4: Simplify right side
    681,542.51x = 398,489,276,852.43
  5. Step 5: Solve for x
    x = 398,489,276,852.43/681,542.51
  6. Step 6: Final answer
    x = 584,687.34

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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.