Home / 691,058.45-1,036,640.16-235,508.12

Finding the Fourth Proportional to 691,058.45, 1,036,640.16 and 235,508.12

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Solution

The fourth proportional to 691,058.45, 1,036,640.16 and 235,508.12 is: 353,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,058.45 : 1,036,640.16 = 235,508.12 : x
  2. Step 2: Convert to fraction form
    691,058.45/1,036,640.16 = 235,508.12/x
  3. Step 3: Cross multiply
    691,058.45x = 1,036,640.16 × 235,508.12
  4. Step 4: Simplify right side
    691,058.45x = 244,137,175,198.10
  5. Step 5: Solve for x
    x = 244,137,175,198.10/691,058.45
  6. Step 6: Final answer
    x = 353,280.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.