Home / 399,092.10-598,810.95-188,621.70

Finding the Fourth Proportional to 399,092.10, 598,810.95 and 188,621.70

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Solution

The fourth proportional to 399,092.10, 598,810.95 and 188,621.70 is: 283,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,092.10 : 598,810.95 = 188,621.70 : x
  2. Step 2: Convert to fraction form
    399,092.10/598,810.95 = 188,621.70/x
  3. Step 3: Cross multiply
    399,092.10x = 598,810.95 × 188,621.70
  4. Step 4: Simplify right side
    399,092.10x = 112,948,739,367.62
  5. Step 5: Solve for x
    x = 112,948,739,367.62/399,092.10
  6. Step 6: Final answer
    x = 283,014.22

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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.