Home / 827,171.80-1,240,466.10-294,710.20

Finding the Fourth Proportional to 827,171.80, 1,240,466.10 and 294,710.20

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Solution

The fourth proportional to 827,171.80, 1,240,466.10 and 294,710.20 is: 441,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,171.80 : 1,240,466.10 = 294,710.20 : x
  2. Step 2: Convert to fraction form
    827,171.80/1,240,466.10 = 294,710.20/x
  3. Step 3: Cross multiply
    827,171.80x = 1,240,466.10 × 294,710.20
  4. Step 4: Simplify right side
    827,171.80x = 365,578,012,424.22
  5. Step 5: Solve for x
    x = 365,578,012,424.22/827,171.80
  6. Step 6: Final answer
    x = 441,961.41

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Double scale
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1.5x scale

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.