Home / 403,611.37-557,007.63-231,528.07

Finding the Fourth Proportional to 403,611.37, 557,007.63 and 231,528.07

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Solution

The fourth proportional to 403,611.37, 557,007.63 and 231,528.07 is: 319,522.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,611.37 : 557,007.63 = 231,528.07 : x
  2. Step 2: Convert to fraction form
    403,611.37/557,007.63 = 231,528.07/x
  3. Step 3: Cross multiply
    403,611.37x = 557,007.63 × 231,528.07
  4. Step 4: Simplify right side
    403,611.37x = 128,962,901,549.17
  5. Step 5: Solve for x
    x = 128,962,901,549.17/403,611.37
  6. Step 6: Final answer
    x = 319,522.47

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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.