Home / 671,062.24-1,007,215.44-338,871.52

Finding the Fourth Proportional to 671,062.24, 1,007,215.44 and 338,871.52

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Solution

The fourth proportional to 671,062.24, 1,007,215.44 and 338,871.52 is: 508,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,062.24 : 1,007,215.44 = 338,871.52 : x
  2. Step 2: Convert to fraction form
    671,062.24/1,007,215.44 = 338,871.52/x
  3. Step 3: Cross multiply
    671,062.24x = 1,007,215.44 × 338,871.52
  4. Step 4: Simplify right side
    671,062.24x = 341,316,627,120.27
  5. Step 5: Solve for x
    x = 341,316,627,120.27/671,062.24
  6. Step 6: Final answer
    x = 508,621.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.