Home / 400,952.18-601,428.03-374,380.13

Finding the Fourth Proportional to 400,952.18, 601,428.03 and 374,380.13

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Solution

The fourth proportional to 400,952.18, 601,428.03 and 374,380.13 is: 561,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,952.18 : 601,428.03 = 374,380.13 : x
  2. Step 2: Convert to fraction form
    400,952.18/601,428.03 = 374,380.13/x
  3. Step 3: Cross multiply
    400,952.18x = 601,428.03 × 374,380.13
  4. Step 4: Simplify right side
    400,952.18x = 225,162,701,049.90
  5. Step 5: Solve for x
    x = 225,162,701,049.90/400,952.18
  6. Step 6: Final answer
    x = 561,569.97

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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.