Home / 1,728,635.11-2,385,742.17-964,847.23

Finding the Fourth Proportional to 1,728,635.11, 2,385,742.17 and 964,847.23

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Solution

The fourth proportional to 1,728,635.11, 2,385,742.17 and 964,847.23 is: 1,331,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,635.11 : 2,385,742.17 = 964,847.23 : x
  2. Step 2: Convert to fraction form
    1,728,635.11/2,385,742.17 = 964,847.23/x
  3. Step 3: Cross multiply
    1,728,635.11x = 2,385,742.17 × 964,847.23
  4. Step 4: Simplify right side
    1,728,635.11x = 2,301,876,724,218.69
  5. Step 5: Solve for x
    x = 2,301,876,724,218.69/1,728,635.11
  6. Step 6: Final answer
    x = 1,331,615.16

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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.