Home / 1,940,799.56-2,910,798.36-520,518

Finding the Fourth Proportional to 1,940,799.56, 2,910,798.36 and 520,518

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Solution

The fourth proportional to 1,940,799.56, 2,910,798.36 and 520,518 is: 780,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,799.56 : 2,910,798.36 = 520,518 : x
  2. Step 2: Convert to fraction form
    1,940,799.56/2,910,798.36 = 520,518/x
  3. Step 3: Cross multiply
    1,940,799.56x = 2,910,798.36 × 520,518
  4. Step 4: Simplify right side
    1,940,799.56x = 1,515,122,940,750.48
  5. Step 5: Solve for x
    x = 1,515,122,940,750.48/1,940,799.56
  6. Step 6: Final answer
    x = 780,669.46

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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.