Home / 385,553.27-532,080.15-213,471.24

Finding the Fourth Proportional to 385,553.27, 532,080.15 and 213,471.24

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Solution

The fourth proportional to 385,553.27, 532,080.15 and 213,471.24 is: 294,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,553.27 : 532,080.15 = 213,471.24 : x
  2. Step 2: Convert to fraction form
    385,553.27/532,080.15 = 213,471.24/x
  3. Step 3: Cross multiply
    385,553.27x = 532,080.15 × 213,471.24
  4. Step 4: Simplify right side
    385,553.27x = 113,583,809,399.89
  5. Step 5: Solve for x
    x = 113,583,809,399.89/385,553.27
  6. Step 6: Final answer
    x = 294,599.52

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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.