Home / 691,065.11-1,036,650.15-235,514.77

Finding the Fourth Proportional to 691,065.11, 1,036,650.15 and 235,514.77

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Solution

The fourth proportional to 691,065.11, 1,036,650.15 and 235,514.77 is: 353,290.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,065.11 : 1,036,650.15 = 235,514.77 : x
  2. Step 2: Convert to fraction form
    691,065.11/1,036,650.15 = 235,514.77/x
  3. Step 3: Cross multiply
    691,065.11x = 1,036,650.15 × 235,514.77
  4. Step 4: Simplify right side
    691,065.11x = 244,146,421,647.72
  5. Step 5: Solve for x
    x = 244,146,421,647.72/691,065.11
  6. Step 6: Final answer
    x = 353,290.04

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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.