Home / 1,538,905.28-2,308,489.13-401,818.37

Finding the Fourth Proportional to 1,538,905.28, 2,308,489.13 and 401,818.37

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Solution

The fourth proportional to 1,538,905.28, 2,308,489.13 and 401,818.37 is: 602,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,905.28 : 2,308,489.13 = 401,818.37 : x
  2. Step 2: Convert to fraction form
    1,538,905.28/2,308,489.13 = 401,818.37/x
  3. Step 3: Cross multiply
    1,538,905.28x = 2,308,489.13 × 401,818.37
  4. Step 4: Simplify right side
    1,538,905.28x = 927,593,328,841.42
  5. Step 5: Solve for x
    x = 927,593,328,841.42/1,538,905.28
  6. Step 6: Final answer
    x = 602,761.81

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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.