Home / 1,191,199.68-1,786,976.64-392,333.76

Finding the Fourth Proportional to 1,191,199.68, 1,786,976.64 and 392,333.76

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Solution

The fourth proportional to 1,191,199.68, 1,786,976.64 and 392,333.76 is: 588,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,199.68 : 1,786,976.64 = 392,333.76 : x
  2. Step 2: Convert to fraction form
    1,191,199.68/1,786,976.64 = 392,333.76/x
  3. Step 3: Cross multiply
    1,191,199.68x = 1,786,976.64 × 392,333.76
  4. Step 4: Simplify right side
    1,191,199.68x = 701,091,264,203.37
  5. Step 5: Solve for x
    x = 701,091,264,203.37/1,191,199.68
  6. Step 6: Final answer
    x = 588,558.98

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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.