Home / 389,283.38-583,743.63-202,244.66

Finding the Fourth Proportional to 389,283.38, 583,743.63 and 202,244.66

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Solution

The fourth proportional to 389,283.38, 583,743.63 and 202,244.66 is: 303,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,283.38 : 583,743.63 = 202,244.66 : x
  2. Step 2: Convert to fraction form
    389,283.38/583,743.63 = 202,244.66/x
  3. Step 3: Cross multiply
    389,283.38x = 583,743.63 × 202,244.66
  4. Step 4: Simplify right side
    389,283.38x = 118,059,031,976.52
  5. Step 5: Solve for x
    x = 118,059,031,976.52/389,283.38
  6. Step 6: Final answer
    x = 303,272.73

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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.