Home / 1,191,056.20-1,786,200.36-392,147.52

Finding the Fourth Proportional to 1,191,056.20, 1,786,200.36 and 392,147.52

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Solution

The fourth proportional to 1,191,056.20, 1,786,200.36 and 392,147.52 is: 588,094.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,056.20 : 1,786,200.36 = 392,147.52 : x
  2. Step 2: Convert to fraction form
    1,191,056.20/1,786,200.36 = 392,147.52/x
  3. Step 3: Cross multiply
    1,191,056.20x = 1,786,200.36 × 392,147.52
  4. Step 4: Simplify right side
    1,191,056.20x = 700,454,041,397.11
  5. Step 5: Solve for x
    x = 700,454,041,397.11/1,191,056.20
  6. Step 6: Final answer
    x = 588,094.87

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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.