Home / 501,721.14-692,377.05-272,278.44

Finding the Fourth Proportional to 501,721.14, 692,377.05 and 272,278.44

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Solution

The fourth proportional to 501,721.14, 692,377.05 and 272,278.44 is: 375,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,721.14 : 692,377.05 = 272,278.44 : x
  2. Step 2: Convert to fraction form
    501,721.14/692,377.05 = 272,278.44/x
  3. Step 3: Cross multiply
    501,721.14x = 692,377.05 × 272,278.44
  4. Step 4: Simplify right side
    501,721.14x = 188,519,343,065.80
  5. Step 5: Solve for x
    x = 188,519,343,065.80/501,721.14
  6. Step 6: Final answer
    x = 375,745.27

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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.