Home / 403,276.26-556,456.14-231,162.60

Finding the Fourth Proportional to 403,276.26, 556,456.14 and 231,162.60

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Solution

The fourth proportional to 403,276.26, 556,456.14 and 231,162.60 is: 318,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,276.26 : 556,456.14 = 231,162.60 : x
  2. Step 2: Convert to fraction form
    403,276.26/556,456.14 = 231,162.60/x
  3. Step 3: Cross multiply
    403,276.26x = 556,456.14 × 231,162.60
  4. Step 4: Simplify right side
    403,276.26x = 128,631,848,108.36
  5. Step 5: Solve for x
    x = 128,631,848,108.36/403,276.26
  6. Step 6: Final answer
    x = 318,967.07

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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.