Home / 903,906.44-1,247,468.36-496,087.11

Finding the Fourth Proportional to 903,906.44, 1,247,468.36 and 496,087.11

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Solution

The fourth proportional to 903,906.44, 1,247,468.36 and 496,087.11 is: 684,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,906.44 : 1,247,468.36 = 496,087.11 : x
  2. Step 2: Convert to fraction form
    903,906.44/1,247,468.36 = 496,087.11/x
  3. Step 3: Cross multiply
    903,906.44x = 1,247,468.36 × 496,087.11
  4. Step 4: Simplify right side
    903,906.44x = 618,852,973,500.30
  5. Step 5: Solve for x
    x = 618,852,973,500.30/903,906.44
  6. Step 6: Final answer
    x = 684,642.73

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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.