Home / 1,419,201.49-2,129,141.18-472,580.41

Finding the Fourth Proportional to 1,419,201.49, 2,129,141.18 and 472,580.41

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Solution

The fourth proportional to 1,419,201.49, 2,129,141.18 and 472,580.41 is: 708,983.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,201.49 : 2,129,141.18 = 472,580.41 : x
  2. Step 2: Convert to fraction form
    1,419,201.49/2,129,141.18 = 472,580.41/x
  3. Step 3: Cross multiply
    1,419,201.49x = 2,129,141.18 × 472,580.41
  4. Step 4: Simplify right side
    1,419,201.49x = 1,006,190,409,429.38
  5. Step 5: Solve for x
    x = 1,006,190,409,429.38/1,419,201.49
  6. Step 6: Final answer
    x = 708,983.48

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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.