Home / 691,064.45-1,036,649.16-235,514.12

Finding the Fourth Proportional to 691,064.45, 1,036,649.16 and 235,514.12

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Solution

The fourth proportional to 691,064.45, 1,036,649.16 and 235,514.12 is: 353,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,064.45 : 1,036,649.16 = 235,514.12 : x
  2. Step 2: Convert to fraction form
    691,064.45/1,036,649.16 = 235,514.12/x
  3. Step 3: Cross multiply
    691,064.45x = 1,036,649.16 × 235,514.12
  4. Step 4: Simplify right side
    691,064.45x = 244,145,514,666.14
  5. Step 5: Solve for x
    x = 244,145,514,666.14/691,064.45
  6. Step 6: Final answer
    x = 353,289.07

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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.