Home / 413,677.85-619,942.68-188,487.95

Finding the Fourth Proportional to 413,677.85, 619,942.68 and 188,487.95

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Solution

The fourth proportional to 413,677.85, 619,942.68 and 188,487.95 is: 282,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,677.85 : 619,942.68 = 188,487.95 : x
  2. Step 2: Convert to fraction form
    413,677.85/619,942.68 = 188,487.95/x
  3. Step 3: Cross multiply
    413,677.85x = 619,942.68 × 188,487.95
  4. Step 4: Simplify right side
    413,677.85x = 116,851,721,770.99
  5. Step 5: Solve for x
    x = 116,851,721,770.99/413,677.85
  6. Step 6: Final answer
    x = 282,470.34

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1.5x scale

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.