Home / 792,114.30-1,188,171.45-477,186.30

Finding the Fourth Proportional to 792,114.30, 1,188,171.45 and 477,186.30

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Solution

The fourth proportional to 792,114.30, 1,188,171.45 and 477,186.30 is: 715,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,114.30 : 1,188,171.45 = 477,186.30 : x
  2. Step 2: Convert to fraction form
    792,114.30/1,188,171.45 = 477,186.30/x
  3. Step 3: Cross multiply
    792,114.30x = 1,188,171.45 × 477,186.30
  4. Step 4: Simplify right side
    792,114.30x = 566,979,137,991.14
  5. Step 5: Solve for x
    x = 566,979,137,991.14/792,114.30
  6. Step 6: Final answer
    x = 715,779.45

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Half scale
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Double scale
Find fourth proportional to 792,115.30, 1,188,172.95 and 477,187.30
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.