Home / 403,040.10-556,274.88-231,073.60

Finding the Fourth Proportional to 403,040.10, 556,274.88 and 231,073.60

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Solution

The fourth proportional to 403,040.10, 556,274.88 and 231,073.60 is: 318,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,040.10 : 556,274.88 = 231,073.60 : x
  2. Step 2: Convert to fraction form
    403,040.10/556,274.88 = 231,073.60/x
  3. Step 3: Cross multiply
    403,040.10x = 556,274.88 × 231,073.60
  4. Step 4: Simplify right side
    403,040.10x = 128,540,439,111.17
  5. Step 5: Solve for x
    x = 128,540,439,111.17/403,040.10
  6. Step 6: Final answer
    x = 318,927.17

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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.