Home / 876,378.26-1,314,567.38-211,530.26

Finding the Fourth Proportional to 876,378.26, 1,314,567.38 and 211,530.26

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Solution

The fourth proportional to 876,378.26, 1,314,567.38 and 211,530.26 is: 317,295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,378.26 : 1,314,567.38 = 211,530.26 : x
  2. Step 2: Convert to fraction form
    876,378.26/1,314,567.38 = 211,530.26/x
  3. Step 3: Cross multiply
    876,378.26x = 1,314,567.38 × 211,530.26
  4. Step 4: Simplify right side
    876,378.26x = 278,070,772,048.43
  5. Step 5: Solve for x
    x = 278,070,772,048.43/876,378.26
  6. Step 6: Final answer
    x = 317,295.38

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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.