Home / 1,191,323.70-1,786,601.34-392,415.30

Finding the Fourth Proportional to 1,191,323.70, 1,786,601.34 and 392,415.30

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Solution

The fourth proportional to 1,191,323.70, 1,786,601.34 and 392,415.30 is: 588,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,323.70 : 1,786,601.34 = 392,415.30 : x
  2. Step 2: Convert to fraction form
    1,191,323.70/1,786,601.34 = 392,415.30/x
  3. Step 3: Cross multiply
    1,191,323.70x = 1,786,601.34 × 392,415.30
  4. Step 4: Simplify right side
    1,191,323.70x = 701,089,700,816.50
  5. Step 5: Solve for x
    x = 701,089,700,816.50/1,191,323.70
  6. Step 6: Final answer
    x = 588,496.39

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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.