Home / 1,857,906.24-2,786,190.60-643,152.90

Finding the Fourth Proportional to 1,857,906.24, 2,786,190.60 and 643,152.90

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Solution

The fourth proportional to 1,857,906.24, 2,786,190.60 and 643,152.90 is: 964,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,906.24 : 2,786,190.60 = 643,152.90 : x
  2. Step 2: Convert to fraction form
    1,857,906.24/2,786,190.60 = 643,152.90/x
  3. Step 3: Cross multiply
    1,857,906.24x = 2,786,190.60 × 643,152.90
  4. Step 4: Simplify right side
    1,857,906.24x = 1,791,946,564,342.74
  5. Step 5: Solve for x
    x = 1,791,946,564,342.74/1,857,906.24
  6. Step 6: Final answer
    x = 964,497.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.