Home / 389,336.92-537,290.03-226,031.58

Finding the Fourth Proportional to 389,336.92, 537,290.03 and 226,031.58

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Solution

The fourth proportional to 389,336.92, 537,290.03 and 226,031.58 is: 311,926.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,336.92 : 537,290.03 = 226,031.58 : x
  2. Step 2: Convert to fraction form
    389,336.92/537,290.03 = 226,031.58/x
  3. Step 3: Cross multiply
    389,336.92x = 537,290.03 × 226,031.58
  4. Step 4: Simplify right side
    389,336.92x = 121,444,511,902.89
  5. Step 5: Solve for x
    x = 121,444,511,902.89/389,336.92
  6. Step 6: Final answer
    x = 311,926.53

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1.5x scale

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.