Home / 899,736.15-1,241,633.04-491,838.11

Finding the Fourth Proportional to 899,736.15, 1,241,633.04 and 491,838.11

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Solution

The fourth proportional to 899,736.15, 1,241,633.04 and 491,838.11 is: 678,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,736.15 : 1,241,633.04 = 491,838.11 : x
  2. Step 2: Convert to fraction form
    899,736.15/1,241,633.04 = 491,838.11/x
  3. Step 3: Cross multiply
    899,736.15x = 1,241,633.04 × 491,838.11
  4. Step 4: Simplify right side
    899,736.15x = 610,682,444,310.72
  5. Step 5: Solve for x
    x = 610,682,444,310.72/899,736.15
  6. Step 6: Final answer
    x = 678,735.03

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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.