Home / 1,941,712.54-2,912,566.30-521,768.64

Finding the Fourth Proportional to 1,941,712.54, 2,912,566.30 and 521,768.64

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Solution

The fourth proportional to 1,941,712.54, 2,912,566.30 and 521,768.64 is: 782,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,712.54 : 2,912,566.30 = 521,768.64 : x
  2. Step 2: Convert to fraction form
    1,941,712.54/2,912,566.30 = 521,768.64/x
  3. Step 3: Cross multiply
    1,941,712.54x = 2,912,566.30 × 521,768.64
  4. Step 4: Simplify right side
    1,941,712.54x = 1,519,685,757,260.83
  5. Step 5: Solve for x
    x = 1,519,685,757,260.83/1,941,712.54
  6. Step 6: Final answer
    x = 782,652.29

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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.