Home / 501,742.91-692,405.57-272,300.13

Finding the Fourth Proportional to 501,742.91, 692,405.57 and 272,300.13

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Solution

The fourth proportional to 501,742.91, 692,405.57 and 272,300.13 is: 375,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,742.91 : 692,405.57 = 272,300.13 : x
  2. Step 2: Convert to fraction form
    501,742.91/692,405.57 = 272,300.13/x
  3. Step 3: Cross multiply
    501,742.91x = 692,405.57 × 272,300.13
  4. Step 4: Simplify right side
    501,742.91x = 188,542,126,723.72
  5. Step 5: Solve for x
    x = 188,542,126,723.72/501,742.91
  6. Step 6: Final answer
    x = 375,774.37

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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.