Home / 1,322,289.72-1,825,509.15-1,011,607.79

Finding the Fourth Proportional to 1,322,289.72, 1,825,509.15 and 1,011,607.79

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Solution

The fourth proportional to 1,322,289.72, 1,825,509.15 and 1,011,607.79 is: 1,396,592.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,289.72 : 1,825,509.15 = 1,011,607.79 : x
  2. Step 2: Convert to fraction form
    1,322,289.72/1,825,509.15 = 1,011,607.79/x
  3. Step 3: Cross multiply
    1,322,289.72x = 1,825,509.15 × 1,011,607.79
  4. Step 4: Simplify right side
    1,322,289.72x = 1,846,699,267,728.73
  5. Step 5: Solve for x
    x = 1,846,699,267,728.73/1,322,289.72
  6. Step 6: Final answer
    x = 1,396,592.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.