Home / 1,137,606.50-1,569,896.97-628,341.68

Finding the Fourth Proportional to 1,137,606.50, 1,569,896.97 and 628,341.68

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Solution

The fourth proportional to 1,137,606.50, 1,569,896.97 and 628,341.68 is: 867,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,606.50 : 1,569,896.97 = 628,341.68 : x
  2. Step 2: Convert to fraction form
    1,137,606.50/1,569,896.97 = 628,341.68/x
  3. Step 3: Cross multiply
    1,137,606.50x = 1,569,896.97 × 628,341.68
  4. Step 4: Simplify right side
    1,137,606.50x = 986,431,699,556.71
  5. Step 5: Solve for x
    x = 986,431,699,556.71/1,137,606.50
  6. Step 6: Final answer
    x = 867,111.52

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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.