Home / 911,707.88-1,367,620.13-350,742.38

Finding the Fourth Proportional to 911,707.88, 1,367,620.13 and 350,742.38

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Solution

The fourth proportional to 911,707.88, 1,367,620.13 and 350,742.38 is: 526,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,707.88 : 1,367,620.13 = 350,742.38 : x
  2. Step 2: Convert to fraction form
    911,707.88/1,367,620.13 = 350,742.38/x
  3. Step 3: Cross multiply
    911,707.88x = 1,367,620.13 × 350,742.38
  4. Step 4: Simplify right side
    911,707.88x = 479,682,333,370.87
  5. Step 5: Solve for x
    x = 479,682,333,370.87/911,707.88
  6. Step 6: Final answer
    x = 526,136.00

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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.