Home / 538,826.23-743,564.28-297,108.73

Finding the Fourth Proportional to 538,826.23, 743,564.28 and 297,108.73

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Solution

The fourth proportional to 538,826.23, 743,564.28 and 297,108.73 is: 410,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,826.23 : 743,564.28 = 297,108.73 : x
  2. Step 2: Convert to fraction form
    538,826.23/743,564.28 = 297,108.73/x
  3. Step 3: Cross multiply
    538,826.23x = 743,564.28 × 297,108.73
  4. Step 4: Simplify right side
    538,826.23x = 220,919,442,203.43
  5. Step 5: Solve for x
    x = 220,919,442,203.43/538,826.23
  6. Step 6: Final answer
    x = 410,001.28

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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.