Home / 691,161.20-1,036,668.10-241,890.65

Finding the Fourth Proportional to 691,161.20, 1,036,668.10 and 241,890.65

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Solution

The fourth proportional to 691,161.20, 1,036,668.10 and 241,890.65 is: 362,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,161.20 : 1,036,668.10 = 241,890.65 : x
  2. Step 2: Convert to fraction form
    691,161.20/1,036,668.10 = 241,890.65/x
  3. Step 3: Cross multiply
    691,161.20x = 1,036,668.10 × 241,890.65
  4. Step 4: Simplify right side
    691,161.20x = 250,760,320,543.27
  5. Step 5: Solve for x
    x = 250,760,320,543.27/691,161.20
  6. Step 6: Final answer
    x = 362,810.18

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1.5x scale

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.