Home / 1,065,941.41-1,471,149.17-678,633.11

Finding the Fourth Proportional to 1,065,941.41, 1,471,149.17 and 678,633.11

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Solution

The fourth proportional to 1,065,941.41, 1,471,149.17 and 678,633.11 is: 936,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,941.41 : 1,471,149.17 = 678,633.11 : x
  2. Step 2: Convert to fraction form
    1,065,941.41/1,471,149.17 = 678,633.11/x
  3. Step 3: Cross multiply
    1,065,941.41x = 1,471,149.17 × 678,633.11
  4. Step 4: Simplify right side
    1,065,941.41x = 998,370,536,511.02
  5. Step 5: Solve for x
    x = 998,370,536,511.02/1,065,941.41
  6. Step 6: Final answer
    x = 936,609.20

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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.