Home / 1,278,524.66-1,764,406.37-697,779.50

Finding the Fourth Proportional to 1,278,524.66, 1,764,406.37 and 697,779.50

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Solution

The fourth proportional to 1,278,524.66, 1,764,406.37 and 697,779.50 is: 962,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,524.66 : 1,764,406.37 = 697,779.50 : x
  2. Step 2: Convert to fraction form
    1,278,524.66/1,764,406.37 = 697,779.50/x
  3. Step 3: Cross multiply
    1,278,524.66x = 1,764,406.37 × 697,779.50
  4. Step 4: Simplify right side
    1,278,524.66x = 1,231,166,594,655.42
  5. Step 5: Solve for x
    x = 1,231,166,594,655.42/1,278,524.66
  6. Step 6: Final answer
    x = 962,958.82

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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.