Home / 1,252,887.35-1,876,662.88-612,205.70

Finding the Fourth Proportional to 1,252,887.35, 1,876,662.88 and 612,205.70

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Solution

The fourth proportional to 1,252,887.35, 1,876,662.88 and 612,205.70 is: 917,004.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,887.35 : 1,876,662.88 = 612,205.70 : x
  2. Step 2: Convert to fraction form
    1,252,887.35/1,876,662.88 = 612,205.70/x
  3. Step 3: Cross multiply
    1,252,887.35x = 1,876,662.88 × 612,205.70
  4. Step 4: Simplify right side
    1,252,887.35x = 1,148,903,701,200.59
  5. Step 5: Solve for x
    x = 1,148,903,701,200.59/1,252,887.35
  6. Step 6: Final answer
    x = 917,004.79

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Why These Related Problems?

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