Home / 497,498.06-746,363.74-197,996.78

Finding the Fourth Proportional to 497,498.06, 746,363.74 and 197,996.78

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Solution

The fourth proportional to 497,498.06, 746,363.74 and 197,996.78 is: 297,041.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,498.06 : 746,363.74 = 197,996.78 : x
  2. Step 2: Convert to fraction form
    497,498.06/746,363.74 = 197,996.78/x
  3. Step 3: Cross multiply
    497,498.06x = 746,363.74 × 197,996.78
  4. Step 4: Simplify right side
    497,498.06x = 147,777,617,228.76
  5. Step 5: Solve for x
    x = 147,777,617,228.76/497,498.06
  6. Step 6: Final answer
    x = 297,041.59

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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.