Home / 681,094.36-938,928.27-476,511.45

Finding the Fourth Proportional to 681,094.36, 938,928.27 and 476,511.45

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Solution

The fourth proportional to 681,094.36, 938,928.27 and 476,511.45 is: 656,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,094.36 : 938,928.27 = 476,511.45 : x
  2. Step 2: Convert to fraction form
    681,094.36/938,928.27 = 476,511.45/x
  3. Step 3: Cross multiply
    681,094.36x = 938,928.27 × 476,511.45
  4. Step 4: Simplify right side
    681,094.36x = 447,410,071,383.69
  5. Step 5: Solve for x
    x = 447,410,071,383.69/681,094.36
  6. Step 6: Final answer
    x = 656,898.81

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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.