Home / 835,658.10-1,153,213.00-491,508.61

Finding the Fourth Proportional to 835,658.10, 1,153,213.00 and 491,508.61

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Solution

The fourth proportional to 835,658.10, 1,153,213.00 and 491,508.61 is: 678,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,658.10 : 1,153,213.00 = 491,508.61 : x
  2. Step 2: Convert to fraction form
    835,658.10/1,153,213.00 = 491,508.61/x
  3. Step 3: Cross multiply
    835,658.10x = 1,153,213.00 × 491,508.61
  4. Step 4: Simplify right side
    835,658.10x = 566,814,114,552.13
  5. Step 5: Solve for x
    x = 566,814,114,552.13/835,658.10
  6. Step 6: Final answer
    x = 678,284.71

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Double scale
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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.