Home / 1,137,203.76-1,569,348.78-620,961.24

Finding the Fourth Proportional to 1,137,203.76, 1,569,348.78 and 620,961.24

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Solution

The fourth proportional to 1,137,203.76, 1,569,348.78 and 620,961.24 is: 856,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,203.76 : 1,569,348.78 = 620,961.24 : x
  2. Step 2: Convert to fraction form
    1,137,203.76/1,569,348.78 = 620,961.24/x
  3. Step 3: Cross multiply
    1,137,203.76x = 1,569,348.78 × 620,961.24
  4. Step 4: Simplify right side
    1,137,203.76x = 974,504,770,889.63
  5. Step 5: Solve for x
    x = 974,504,770,889.63/1,137,203.76
  6. Step 6: Final answer
    x = 856,930.66

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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.