Home / 823,474.35-1,136,135.56-460,840.59

Finding the Fourth Proportional to 823,474.35, 1,136,135.56 and 460,840.59

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Solution

The fourth proportional to 823,474.35, 1,136,135.56 and 460,840.59 is: 635,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,474.35 : 1,136,135.56 = 460,840.59 : x
  2. Step 2: Convert to fraction form
    823,474.35/1,136,135.56 = 460,840.59/x
  3. Step 3: Cross multiply
    823,474.35x = 1,136,135.56 × 460,840.59
  4. Step 4: Simplify right side
    823,474.35x = 523,577,381,790.38
  5. Step 5: Solve for x
    x = 523,577,381,790.38/823,474.35
  6. Step 6: Final answer
    x = 635,815.05

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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.