Home / 384,848.58-531,091.81-215,082.70

Finding the Fourth Proportional to 384,848.58, 531,091.81 and 215,082.70

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Solution

The fourth proportional to 384,848.58, 531,091.81 and 215,082.70 is: 296,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,848.58 : 531,091.81 = 215,082.70 : x
  2. Step 2: Convert to fraction form
    384,848.58/531,091.81 = 215,082.70/x
  3. Step 3: Cross multiply
    384,848.58x = 531,091.81 × 215,082.70
  4. Step 4: Simplify right side
    384,848.58x = 114,228,660,442.69
  5. Step 5: Solve for x
    x = 114,228,660,442.69/384,848.58
  6. Step 6: Final answer
    x = 296,814.56

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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.