Home / 521,538.89-719,664.14-292,064.27

Finding the Fourth Proportional to 521,538.89, 719,664.14 and 292,064.27

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Solution

The fourth proportional to 521,538.89, 719,664.14 and 292,064.27 is: 403,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,538.89 : 719,664.14 = 292,064.27 : x
  2. Step 2: Convert to fraction form
    521,538.89/719,664.14 = 292,064.27/x
  3. Step 3: Cross multiply
    521,538.89x = 719,664.14 × 292,064.27
  4. Step 4: Simplify right side
    521,538.89x = 210,188,176,635.64
  5. Step 5: Solve for x
    x = 210,188,176,635.64/521,538.89
  6. Step 6: Final answer
    x = 403,015.35

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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.