Home / 389,860.38-584,462.52-190,077.93

Finding the Fourth Proportional to 389,860.38, 584,462.52 and 190,077.93

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Solution

The fourth proportional to 389,860.38, 584,462.52 and 190,077.93 is: 284,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,860.38 : 584,462.52 = 190,077.93 : x
  2. Step 2: Convert to fraction form
    389,860.38/584,462.52 = 190,077.93/x
  3. Step 3: Cross multiply
    389,860.38x = 584,462.52 × 190,077.93
  4. Step 4: Simplify right side
    389,860.38x = 111,093,425,964.18
  5. Step 5: Solve for x
    x = 111,093,425,964.18/389,860.38
  6. Step 6: Final answer
    x = 284,956.95

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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.