Home / 947,863.21-1,308,286.29-540,206.83

Finding the Fourth Proportional to 947,863.21, 1,308,286.29 and 540,206.83

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Solution

The fourth proportional to 947,863.21, 1,308,286.29 and 540,206.83 is: 745,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,863.21 : 1,308,286.29 = 540,206.83 : x
  2. Step 2: Convert to fraction form
    947,863.21/1,308,286.29 = 540,206.83/x
  3. Step 3: Cross multiply
    947,863.21x = 1,308,286.29 × 540,206.83
  4. Step 4: Simplify right side
    947,863.21x = 706,745,189,453.36
  5. Step 5: Solve for x
    x = 706,745,189,453.36/947,863.21
  6. Step 6: Final answer
    x = 745,619.39

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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.