Home / 1,777,760.80-2,664,509.31-912,305.66

Finding the Fourth Proportional to 1,777,760.80, 2,664,509.31 and 912,305.66

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Solution

The fourth proportional to 1,777,760.80, 2,664,509.31 and 912,305.66 is: 1,367,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,760.80 : 2,664,509.31 = 912,305.66 : x
  2. Step 2: Convert to fraction form
    1,777,760.80/2,664,509.31 = 912,305.66/x
  3. Step 3: Cross multiply
    1,777,760.80x = 2,664,509.31 × 912,305.66
  4. Step 4: Simplify right side
    1,777,760.80x = 2,430,846,911,313.15
  5. Step 5: Solve for x
    x = 2,430,846,911,313.15/1,777,760.80
  6. Step 6: Final answer
    x = 1,367,364.45

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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.