Home / 413,268.72-620,006.04-117,780.72

Finding the Fourth Proportional to 413,268.72, 620,006.04 and 117,780.72

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Solution

The fourth proportional to 413,268.72, 620,006.04 and 117,780.72 is: 176,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,268.72 : 620,006.04 = 117,780.72 : x
  2. Step 2: Convert to fraction form
    413,268.72/620,006.04 = 117,780.72/x
  3. Step 3: Cross multiply
    413,268.72x = 620,006.04 × 117,780.72
  4. Step 4: Simplify right side
    413,268.72x = 73,024,757,795.55
  5. Step 5: Solve for x
    x = 73,024,757,795.55/413,268.72
  6. Step 6: Final answer
    x = 176,700.42

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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.