Home / 1,137,493.72-1,569,662.31-628,156

Finding the Fourth Proportional to 1,137,493.72, 1,569,662.31 and 628,156

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Solution

The fourth proportional to 1,137,493.72, 1,569,662.31 and 628,156 is: 866,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,493.72 : 1,569,662.31 = 628,156 : x
  2. Step 2: Convert to fraction form
    1,137,493.72/1,569,662.31 = 628,156/x
  3. Step 3: Cross multiply
    1,137,493.72x = 1,569,662.31 × 628,156
  4. Step 4: Simplify right side
    1,137,493.72x = 985,992,798,000.36
  5. Step 5: Solve for x
    x = 985,992,798,000.36/1,137,493.72
  6. Step 6: Final answer
    x = 866,811.64

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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.