Home / 694,038.75-957,776.03-403,719.97

Finding the Fourth Proportional to 694,038.75, 957,776.03 and 403,719.97

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Solution

The fourth proportional to 694,038.75, 957,776.03 and 403,719.97 is: 557,135.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,038.75 : 957,776.03 = 403,719.97 : x
  2. Step 2: Convert to fraction form
    694,038.75/957,776.03 = 403,719.97/x
  3. Step 3: Cross multiply
    694,038.75x = 957,776.03 × 403,719.97
  4. Step 4: Simplify right side
    694,038.75x = 386,673,310,098.32
  5. Step 5: Solve for x
    x = 386,673,310,098.32/694,038.75
  6. Step 6: Final answer
    x = 557,135.04

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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.