Home / 403,127.64-556,339.12-231,074.24

Finding the Fourth Proportional to 403,127.64, 556,339.12 and 231,074.24

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Solution

The fourth proportional to 403,127.64, 556,339.12 and 231,074.24 is: 318,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,127.64 : 556,339.12 = 231,074.24 : x
  2. Step 2: Convert to fraction form
    403,127.64/556,339.12 = 231,074.24/x
  3. Step 3: Cross multiply
    403,127.64x = 556,339.12 × 231,074.24
  4. Step 4: Simplify right side
    403,127.64x = 128,555,639,336.27
  5. Step 5: Solve for x
    x = 128,555,639,336.27/403,127.64
  6. Step 6: Final answer
    x = 318,895.62

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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.