Home / 1,191,054.20-1,786,197.36-392,145.53

Finding the Fourth Proportional to 1,191,054.20, 1,786,197.36 and 392,145.53

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Solution

The fourth proportional to 1,191,054.20, 1,786,197.36 and 392,145.53 is: 588,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,054.20 : 1,786,197.36 = 392,145.53 : x
  2. Step 2: Convert to fraction form
    1,191,054.20/1,786,197.36 = 392,145.53/x
  3. Step 3: Cross multiply
    1,191,054.20x = 1,786,197.36 × 392,145.53
  4. Step 4: Simplify right side
    1,191,054.20x = 700,449,310,421.80
  5. Step 5: Solve for x
    x = 700,449,310,421.80/1,191,054.20
  6. Step 6: Final answer
    x = 588,091.89

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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.