Home / 873,175.20-1,205,051.76-491,179.20

Finding the Fourth Proportional to 873,175.20, 1,205,051.76 and 491,179.20

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Solution

The fourth proportional to 873,175.20, 1,205,051.76 and 491,179.20 is: 677,866.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,175.20 : 1,205,051.76 = 491,179.20 : x
  2. Step 2: Convert to fraction form
    873,175.20/1,205,051.76 = 491,179.20/x
  3. Step 3: Cross multiply
    873,175.20x = 1,205,051.76 × 491,179.20
  4. Step 4: Simplify right side
    873,175.20x = 591,896,359,435.39
  5. Step 5: Solve for x
    x = 591,896,359,435.39/873,175.20
  6. Step 6: Final answer
    x = 677,866.66

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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.