Home / 499,156.47-688,835.93-272,801.97

Finding the Fourth Proportional to 499,156.47, 688,835.93 and 272,801.97

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Solution

The fourth proportional to 499,156.47, 688,835.93 and 272,801.97 is: 376,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,156.47 : 688,835.93 = 272,801.97 : x
  2. Step 2: Convert to fraction form
    499,156.47/688,835.93 = 272,801.97/x
  3. Step 3: Cross multiply
    499,156.47x = 688,835.93 × 272,801.97
  4. Step 4: Simplify right side
    499,156.47x = 187,915,797,346.77
  5. Step 5: Solve for x
    x = 187,915,797,346.77/499,156.47
  6. Step 6: Final answer
    x = 376,466.72

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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.