Home / 1,608,684.40-2,219,989.44-873,640.72

Finding the Fourth Proportional to 1,608,684.40, 2,219,989.44 and 873,640.72

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Solution

The fourth proportional to 1,608,684.40, 2,219,989.44 and 873,640.72 is: 1,205,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,684.40 : 2,219,989.44 = 873,640.72 : x
  2. Step 2: Convert to fraction form
    1,608,684.40/2,219,989.44 = 873,640.72/x
  3. Step 3: Cross multiply
    1,608,684.40x = 2,219,989.44 × 873,640.72
  4. Step 4: Simplify right side
    1,608,684.40x = 1,939,473,172,754.00
  5. Step 5: Solve for x
    x = 1,939,473,172,754.00/1,608,684.40
  6. Step 6: Final answer
    x = 1,205,626.89

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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.