Home / 873,633.24-1,205,414.46-491,520.60

Finding the Fourth Proportional to 873,633.24, 1,205,414.46 and 491,520.60

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Solution

The fourth proportional to 873,633.24, 1,205,414.46 and 491,520.60 is: 678,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,633.24 : 1,205,414.46 = 491,520.60 : x
  2. Step 2: Convert to fraction form
    873,633.24/1,205,414.46 = 491,520.60/x
  3. Step 3: Cross multiply
    873,633.24x = 1,205,414.46 × 491,520.60
  4. Step 4: Simplify right side
    873,633.24x = 592,486,038,627.88
  5. Step 5: Solve for x
    x = 592,486,038,627.88/873,633.24
  6. Step 6: Final answer
    x = 678,186.24

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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.