Home / 1,117,939.70-1,542,754.68-608,640.86

Finding the Fourth Proportional to 1,117,939.70, 1,542,754.68 and 608,640.86

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Solution

The fourth proportional to 1,117,939.70, 1,542,754.68 and 608,640.86 is: 839,923.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,939.70 : 1,542,754.68 = 608,640.86 : x
  2. Step 2: Convert to fraction form
    1,117,939.70/1,542,754.68 = 608,640.86/x
  3. Step 3: Cross multiply
    1,117,939.70x = 1,542,754.68 × 608,640.86
  4. Step 4: Simplify right side
    1,117,939.70x = 938,983,535,204.23
  5. Step 5: Solve for x
    x = 938,983,535,204.23/1,117,939.70
  6. Step 6: Final answer
    x = 839,923.24

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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.