Home / 436,261.59-654,406.95-120,692.07

Finding the Fourth Proportional to 436,261.59, 654,406.95 and 120,692.07

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Solution

The fourth proportional to 436,261.59, 654,406.95 and 120,692.07 is: 181,042.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,261.59 : 654,406.95 = 120,692.07 : x
  2. Step 2: Convert to fraction form
    436,261.59/654,406.95 = 120,692.07/x
  3. Step 3: Cross multiply
    436,261.59x = 654,406.95 × 120,692.07
  4. Step 4: Simplify right side
    436,261.59x = 78,981,729,417.89
  5. Step 5: Solve for x
    x = 78,981,729,417.89/436,261.59
  6. Step 6: Final answer
    x = 181,042.13

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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.