Home / 1,941,709.54-2,912,561.80-521,765.64

Finding the Fourth Proportional to 1,941,709.54, 2,912,561.80 and 521,765.64

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Solution

The fourth proportional to 1,941,709.54, 2,912,561.80 and 521,765.64 is: 782,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,709.54 : 2,912,561.80 = 521,765.64 : x
  2. Step 2: Convert to fraction form
    1,941,709.54/2,912,561.80 = 521,765.64/x
  3. Step 3: Cross multiply
    1,941,709.54x = 2,912,561.80 × 521,765.64
  4. Step 4: Simplify right side
    1,941,709.54x = 1,519,674,671,616.55
  5. Step 5: Solve for x
    x = 1,519,674,671,616.55/1,941,709.54
  6. Step 6: Final answer
    x = 782,647.79

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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.