Home / 502,151.78-692,967.09-272,707.46

Finding the Fourth Proportional to 502,151.78, 692,967.09 and 272,707.46

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Solution

The fourth proportional to 502,151.78, 692,967.09 and 272,707.46 is: 376,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,151.78 : 692,967.09 = 272,707.46 : x
  2. Step 2: Convert to fraction form
    502,151.78/692,967.09 = 272,707.46/x
  3. Step 3: Cross multiply
    502,151.78x = 692,967.09 × 272,707.46
  4. Step 4: Simplify right side
    502,151.78x = 188,977,294,977.49
  5. Step 5: Solve for x
    x = 188,977,294,977.49/502,151.78
  6. Step 6: Final answer
    x = 376,335.01

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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.