Home / 3,952,800.13-5,929,789.47-1,257,213.28

Finding the Fourth Proportional to 3,952,800.13, 5,929,789.47 and 1,257,213.28

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Solution

The fourth proportional to 3,952,800.13, 5,929,789.47 and 1,257,213.28 is: 1,886,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952,800.13 : 5,929,789.47 = 1,257,213.28 : x
  2. Step 2: Convert to fraction form
    3,952,800.13/5,929,789.47 = 1,257,213.28/x
  3. Step 3: Cross multiply
    3,952,800.13x = 5,929,789.47 × 1,257,213.28
  4. Step 4: Simplify right side
    3,952,800.13x = 7,455,010,069,288.16
  5. Step 5: Solve for x
    x = 7,455,010,069,288.16/3,952,800.13
  6. Step 6: Final answer
    x = 1,886,007.34

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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.