Home / 1,053,446.26-1,453,503.01-639,974.77

Finding the Fourth Proportional to 1,053,446.26, 1,453,503.01 and 639,974.77

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Solution

The fourth proportional to 1,053,446.26, 1,453,503.01 and 639,974.77 is: 883,011.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,446.26 : 1,453,503.01 = 639,974.77 : x
  2. Step 2: Convert to fraction form
    1,053,446.26/1,453,503.01 = 639,974.77/x
  3. Step 3: Cross multiply
    1,053,446.26x = 1,453,503.01 × 639,974.77
  4. Step 4: Simplify right side
    1,053,446.26x = 930,205,247,251.54
  5. Step 5: Solve for x
    x = 930,205,247,251.54/1,053,446.26
  6. Step 6: Final answer
    x = 883,011.58

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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.