Home / 691,057.19-1,036,638.27-235,506.85

Finding the Fourth Proportional to 691,057.19, 1,036,638.27 and 235,506.85

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Solution

The fourth proportional to 691,057.19, 1,036,638.27 and 235,506.85 is: 353,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,057.19 : 1,036,638.27 = 235,506.85 : x
  2. Step 2: Convert to fraction form
    691,057.19/1,036,638.27 = 235,506.85/x
  3. Step 3: Cross multiply
    691,057.19x = 1,036,638.27 × 235,506.85
  4. Step 4: Simplify right side
    691,057.19x = 244,135,413,557.15
  5. Step 5: Solve for x
    x = 244,135,413,557.15/691,057.19
  6. Step 6: Final answer
    x = 353,278.16

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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.