Home / 661,729.40-992,594.10-163,093.40

Finding the Fourth Proportional to 661,729.40, 992,594.10 and 163,093.40

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Solution

The fourth proportional to 661,729.40, 992,594.10 and 163,093.40 is: 244,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,729.40 : 992,594.10 = 163,093.40 : x
  2. Step 2: Convert to fraction form
    661,729.40/992,594.10 = 163,093.40/x
  3. Step 3: Cross multiply
    661,729.40x = 992,594.10 × 163,093.40
  4. Step 4: Simplify right side
    661,729.40x = 161,885,546,588.94
  5. Step 5: Solve for x
    x = 161,885,546,588.94/661,729.40
  6. Step 6: Final answer
    x = 244,640.10

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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.