Home / 1,840,945.83-2,761,353.13-642,863.49

Finding the Fourth Proportional to 1,840,945.83, 2,761,353.13 and 642,863.49

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Solution

The fourth proportional to 1,840,945.83, 2,761,353.13 and 642,863.49 is: 964,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,945.83 : 2,761,353.13 = 642,863.49 : x
  2. Step 2: Convert to fraction form
    1,840,945.83/2,761,353.13 = 642,863.49/x
  3. Step 3: Cross multiply
    1,840,945.83x = 2,761,353.13 × 642,863.49
  4. Step 4: Simplify right side
    1,840,945.83x = 1,775,173,107,059.91
  5. Step 5: Solve for x
    x = 1,775,173,107,059.91/1,840,945.83
  6. Step 6: Final answer
    x = 964,272.32

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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.