Home / 681,093.36-938,926.89-476,510.45

Finding the Fourth Proportional to 681,093.36, 938,926.89 and 476,510.45

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Solution

The fourth proportional to 681,093.36, 938,926.89 and 476,510.45 is: 656,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,093.36 : 938,926.89 = 476,510.45 : x
  2. Step 2: Convert to fraction form
    681,093.36/938,926.89 = 476,510.45/x
  3. Step 3: Cross multiply
    681,093.36x = 938,926.89 × 476,510.45
  4. Step 4: Simplify right side
    681,093.36x = 447,408,470,176.37
  5. Step 5: Solve for x
    x = 447,408,470,176.37/681,093.36
  6. Step 6: Final answer
    x = 656,897.42

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Double scale
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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.