Home / 1,611,320.40-2,417,046.18-664,600.86

Finding the Fourth Proportional to 1,611,320.40, 2,417,046.18 and 664,600.86

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Solution

The fourth proportional to 1,611,320.40, 2,417,046.18 and 664,600.86 is: 996,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,320.40 : 2,417,046.18 = 664,600.86 : x
  2. Step 2: Convert to fraction form
    1,611,320.40/2,417,046.18 = 664,600.86/x
  3. Step 3: Cross multiply
    1,611,320.40x = 2,417,046.18 × 664,600.86
  4. Step 4: Simplify right side
    1,611,320.40x = 1,606,370,969,887.72
  5. Step 5: Solve for x
    x = 1,606,370,969,887.72/1,611,320.40
  6. Step 6: Final answer
    x = 996,928.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.