Home / 414,649.20-621,973.80-177,951.60

Finding the Fourth Proportional to 414,649.20, 621,973.80 and 177,951.60

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Solution

The fourth proportional to 414,649.20, 621,973.80 and 177,951.60 is: 266,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,649.20 : 621,973.80 = 177,951.60 : x
  2. Step 2: Convert to fraction form
    414,649.20/621,973.80 = 177,951.60/x
  3. Step 3: Cross multiply
    414,649.20x = 621,973.80 × 177,951.60
  4. Step 4: Simplify right side
    414,649.20x = 110,681,232,868.08
  5. Step 5: Solve for x
    x = 110,681,232,868.08/414,649.20
  6. Step 6: Final answer
    x = 266,927.40

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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.