Home / 517,904.80-776,857.20-163,027.60

Finding the Fourth Proportional to 517,904.80, 776,857.20 and 163,027.60

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Solution

The fourth proportional to 517,904.80, 776,857.20 and 163,027.60 is: 244,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,904.80 : 776,857.20 = 163,027.60 : x
  2. Step 2: Convert to fraction form
    517,904.80/776,857.20 = 163,027.60/x
  3. Step 3: Cross multiply
    517,904.80x = 776,857.20 × 163,027.60
  4. Step 4: Simplify right side
    517,904.80x = 126,649,164,858.72
  5. Step 5: Solve for x
    x = 126,649,164,858.72/517,904.80
  6. Step 6: Final answer
    x = 244,541.40

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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.