Home / 863,171.39-1,191,181.61-500,811.01

Finding the Fourth Proportional to 863,171.39, 1,191,181.61 and 500,811.01

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Solution

The fourth proportional to 863,171.39, 1,191,181.61 and 500,811.01 is: 691,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,171.39 : 1,191,181.61 = 500,811.01 : x
  2. Step 2: Convert to fraction form
    863,171.39/1,191,181.61 = 500,811.01/x
  3. Step 3: Cross multiply
    863,171.39x = 1,191,181.61 × 500,811.01
  4. Step 4: Simplify right side
    863,171.39x = 596,556,863,471.60
  5. Step 5: Solve for x
    x = 596,556,863,471.60/863,171.39
  6. Step 6: Final answer
    x = 691,122.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.