Home / 385,790.19-532,378.41-213,701.24

Finding the Fourth Proportional to 385,790.19, 532,378.41 and 213,701.24

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Solution

The fourth proportional to 385,790.19, 532,378.41 and 213,701.24 is: 294,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,790.19 : 532,378.41 = 213,701.24 : x
  2. Step 2: Convert to fraction form
    385,790.19/532,378.41 = 213,701.24/x
  3. Step 3: Cross multiply
    385,790.19x = 532,378.41 × 213,701.24
  4. Step 4: Simplify right side
    385,790.19x = 113,769,923,704.34
  5. Step 5: Solve for x
    x = 113,769,923,704.34/385,790.19
  6. Step 6: Final answer
    x = 294,901.03

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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.