Home / 1,147,171.11-1,719,206.59-436,811.64

Finding the Fourth Proportional to 1,147,171.11, 1,719,206.59 and 436,811.64

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Solution

The fourth proportional to 1,147,171.11, 1,719,206.59 and 436,811.64 is: 654,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,171.11 : 1,719,206.59 = 436,811.64 : x
  2. Step 2: Convert to fraction form
    1,147,171.11/1,719,206.59 = 436,811.64/x
  3. Step 3: Cross multiply
    1,147,171.11x = 1,719,206.59 × 436,811.64
  4. Step 4: Simplify right side
    1,147,171.11x = 750,969,450,076.71
  5. Step 5: Solve for x
    x = 750,969,450,076.71/1,147,171.11
  6. Step 6: Final answer
    x = 654,627.23

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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.