Home / 1,137,634.75-1,569,935.96-628,369.93

Finding the Fourth Proportional to 1,137,634.75, 1,569,935.96 and 628,369.93

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Solution

The fourth proportional to 1,137,634.75, 1,569,935.96 and 628,369.93 is: 867,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,634.75 : 1,569,935.96 = 628,369.93 : x
  2. Step 2: Convert to fraction form
    1,137,634.75/1,569,935.96 = 628,369.93/x
  3. Step 3: Cross multiply
    1,137,634.75x = 1,569,935.96 × 628,369.93
  4. Step 4: Simplify right side
    1,137,634.75x = 986,500,549,289.68
  5. Step 5: Solve for x
    x = 986,500,549,289.68/1,137,634.75
  6. Step 6: Final answer
    x = 867,150.51

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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.