Home / 498,949.62-688,548.96-272,596.74

Finding the Fourth Proportional to 498,949.62, 688,548.96 and 272,596.74

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Solution

The fourth proportional to 498,949.62, 688,548.96 and 272,596.74 is: 376,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,949.62 : 688,548.96 = 272,596.74 : x
  2. Step 2: Convert to fraction form
    498,949.62/688,548.96 = 272,596.74/x
  3. Step 3: Cross multiply
    498,949.62x = 688,548.96 × 272,596.74
  4. Step 4: Simplify right side
    498,949.62x = 187,696,201,826.39
  5. Step 5: Solve for x
    x = 187,696,201,826.39/498,949.62
  6. Step 6: Final answer
    x = 376,182.67

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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.