Home / 835,618.26-1,153,157.91-491,468.69

Finding the Fourth Proportional to 835,618.26, 1,153,157.91 and 491,468.69

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Solution

The fourth proportional to 835,618.26, 1,153,157.91 and 491,468.69 is: 678,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,618.26 : 1,153,157.91 = 491,468.69 : x
  2. Step 2: Convert to fraction form
    835,618.26/1,153,157.91 = 491,468.69/x
  3. Step 3: Cross multiply
    835,618.26x = 1,153,157.91 × 491,468.69
  4. Step 4: Simplify right side
    835,618.26x = 566,741,013,507.97
  5. Step 5: Solve for x
    x = 566,741,013,507.97/835,618.26
  6. Step 6: Final answer
    x = 678,229.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.