Home / 823,636.50-1,136,642.09-461,058.20

Finding the Fourth Proportional to 823,636.50, 1,136,642.09 and 461,058.20

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Solution

The fourth proportional to 823,636.50, 1,136,642.09 and 461,058.20 is: 636,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,636.50 : 1,136,642.09 = 461,058.20 : x
  2. Step 2: Convert to fraction form
    823,636.50/1,136,642.09 = 461,058.20/x
  3. Step 3: Cross multiply
    823,636.50x = 1,136,642.09 × 461,058.20
  4. Step 4: Simplify right side
    823,636.50x = 524,058,148,071.14
  5. Step 5: Solve for x
    x = 524,058,148,071.14/823,636.50
  6. Step 6: Final answer
    x = 636,273.59

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.