Home / 792,116.80-1,188,175.20-477,188.80

Finding the Fourth Proportional to 792,116.80, 1,188,175.20 and 477,188.80

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Solution

The fourth proportional to 792,116.80, 1,188,175.20 and 477,188.80 is: 715,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,116.80 : 1,188,175.20 = 477,188.80 : x
  2. Step 2: Convert to fraction form
    792,116.80/1,188,175.20 = 477,188.80/x
  3. Step 3: Cross multiply
    792,116.80x = 1,188,175.20 × 477,188.80
  4. Step 4: Simplify right side
    792,116.80x = 566,983,897,877.76
  5. Step 5: Solve for x
    x = 566,983,897,877.76/792,116.80
  6. Step 6: Final answer
    x = 715,783.20

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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.