Home / 403,331.86-556,630.50-231,265.83

Finding the Fourth Proportional to 403,331.86, 556,630.50 and 231,265.83

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Solution

The fourth proportional to 403,331.86, 556,630.50 and 231,265.83 is: 319,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,331.86 : 556,630.50 = 231,265.83 : x
  2. Step 2: Convert to fraction form
    403,331.86/556,630.50 = 231,265.83/x
  3. Step 3: Cross multiply
    403,331.86x = 556,630.50 × 231,265.83
  4. Step 4: Simplify right side
    403,331.86x = 128,729,614,007.65
  5. Step 5: Solve for x
    x = 128,729,614,007.65/403,331.86
  6. Step 6: Final answer
    x = 319,165.50

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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.