Home / 436,270.56-654,420.42-120,701.04

Finding the Fourth Proportional to 436,270.56, 654,420.42 and 120,701.04

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Solution

The fourth proportional to 436,270.56, 654,420.42 and 120,701.04 is: 181,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,270.56 : 654,420.42 = 120,701.04 : x
  2. Step 2: Convert to fraction form
    436,270.56/654,420.42 = 120,701.04/x
  3. Step 3: Cross multiply
    436,270.56x = 654,420.42 × 120,701.04
  4. Step 4: Simplify right side
    436,270.56x = 78,989,225,291.24
  5. Step 5: Solve for x
    x = 78,989,225,291.24/436,270.56
  6. Step 6: Final answer
    x = 181,055.59

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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.