Home / 1,588,671.20-2,192,380.93-863,520.62

Finding the Fourth Proportional to 1,588,671.20, 2,192,380.93 and 863,520.62

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Solution

The fourth proportional to 1,588,671.20, 2,192,380.93 and 863,520.62 is: 1,191,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,671.20 : 2,192,380.93 = 863,520.62 : x
  2. Step 2: Convert to fraction form
    1,588,671.20/2,192,380.93 = 863,520.62/x
  3. Step 3: Cross multiply
    1,588,671.20x = 2,192,380.93 × 863,520.62
  4. Step 4: Simplify right side
    1,588,671.20x = 1,893,166,139,949.78
  5. Step 5: Solve for x
    x = 1,893,166,139,949.78/1,588,671.20
  6. Step 6: Final answer
    x = 1,191,666.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.