Home / 413,678.85-619,944.18-188,488.95

Finding the Fourth Proportional to 413,678.85, 619,944.18 and 188,488.95

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Solution

The fourth proportional to 413,678.85, 619,944.18 and 188,488.95 is: 282,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,678.85 : 619,944.18 = 188,488.95 : x
  2. Step 2: Convert to fraction form
    413,678.85/619,944.18 = 188,488.95/x
  3. Step 3: Cross multiply
    413,678.85x = 619,944.18 × 188,488.95
  4. Step 4: Simplify right side
    413,678.85x = 116,852,627,546.81
  5. Step 5: Solve for x
    x = 116,852,627,546.81/413,678.85
  6. Step 6: Final answer
    x = 282,471.84

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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.