Home / 403,517.70-556,833.08-231,426.77

Finding the Fourth Proportional to 403,517.70, 556,833.08 and 231,426.77

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Solution

The fourth proportional to 403,517.70, 556,833.08 and 231,426.77 is: 319,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,517.70 : 556,833.08 = 231,426.77 : x
  2. Step 2: Convert to fraction form
    403,517.70/556,833.08 = 231,426.77/x
  3. Step 3: Cross multiply
    403,517.70x = 556,833.08 × 231,426.77
  4. Step 4: Simplify right side
    403,517.70x = 128,866,082,060.14
  5. Step 5: Solve for x
    x = 128,866,082,060.14/403,517.70
  6. Step 6: Final answer
    x = 319,356.70

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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.