Home / 661,549.36-992,324.28-162,913.36

Finding the Fourth Proportional to 661,549.36, 992,324.28 and 162,913.36

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Solution

The fourth proportional to 661,549.36, 992,324.28 and 162,913.36 is: 244,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,549.36 : 992,324.28 = 162,913.36 : x
  2. Step 2: Convert to fraction form
    661,549.36/992,324.28 = 162,913.36/x
  3. Step 3: Cross multiply
    661,549.36x = 992,324.28 × 162,913.36
  4. Step 4: Simplify right side
    661,549.36x = 161,662,882,664.38
  5. Step 5: Solve for x
    x = 161,662,882,664.38/661,549.36
  6. Step 6: Final answer
    x = 244,370.10

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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.