Home / 786,067.40-1,179,101.10-366,163.40

Finding the Fourth Proportional to 786,067.40, 1,179,101.10 and 366,163.40

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Solution

The fourth proportional to 786,067.40, 1,179,101.10 and 366,163.40 is: 549,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,067.40 : 1,179,101.10 = 366,163.40 : x
  2. Step 2: Convert to fraction form
    786,067.40/1,179,101.10 = 366,163.40/x
  3. Step 3: Cross multiply
    786,067.40x = 1,179,101.10 × 366,163.40
  4. Step 4: Simplify right side
    786,067.40x = 431,743,667,719.74
  5. Step 5: Solve for x
    x = 431,743,667,719.74/786,067.40
  6. Step 6: Final answer
    x = 549,245.10

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Half scale
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Double scale
Find fourth proportional to 786,068.40, 1,179,102.60 and 366,164.40
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.