Home / 823,227.30-1,234,840.95-540,703.35

Finding the Fourth Proportional to 823,227.30, 1,234,840.95 and 540,703.35

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Solution

The fourth proportional to 823,227.30, 1,234,840.95 and 540,703.35 is: 811,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,227.30 : 1,234,840.95 = 540,703.35 : x
  2. Step 2: Convert to fraction form
    823,227.30/1,234,840.95 = 540,703.35/x
  3. Step 3: Cross multiply
    823,227.30x = 1,234,840.95 × 540,703.35
  4. Step 4: Simplify right side
    823,227.30x = 667,682,638,382.18
  5. Step 5: Solve for x
    x = 667,682,638,382.18/823,227.30
  6. Step 6: Final answer
    x = 811,055.03

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Double scale
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Similar ratio
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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.