Home / 1,205,196.44-1,808,532.77-485,406.14

Finding the Fourth Proportional to 1,205,196.44, 1,808,532.77 and 485,406.14

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Solution

The fourth proportional to 1,205,196.44, 1,808,532.77 and 485,406.14 is: 728,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,196.44 : 1,808,532.77 = 485,406.14 : x
  2. Step 2: Convert to fraction form
    1,205,196.44/1,808,532.77 = 485,406.14/x
  3. Step 3: Cross multiply
    1,205,196.44x = 1,808,532.77 × 485,406.14
  4. Step 4: Simplify right side
    1,205,196.44x = 877,872,899,479.51
  5. Step 5: Solve for x
    x = 877,872,899,479.51/1,205,196.44
  6. Step 6: Final answer
    x = 728,406.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.