Home / 356,505.22-534,397.78-223,478.72

Finding the Fourth Proportional to 356,505.22, 534,397.78 and 223,478.72

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Solution

The fourth proportional to 356,505.22, 534,397.78 and 223,478.72 is: 334,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,505.22 : 534,397.78 = 223,478.72 : x
  2. Step 2: Convert to fraction form
    356,505.22/534,397.78 = 223,478.72/x
  3. Step 3: Cross multiply
    356,505.22x = 534,397.78 × 223,478.72
  4. Step 4: Simplify right side
    356,505.22x = 119,426,531,845.24
  5. Step 5: Solve for x
    x = 119,426,531,845.24/356,505.22
  6. Step 6: Final answer
    x = 334,992.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.