Home / 393,577.45-589,992.11-153,845.04

Finding the Fourth Proportional to 393,577.45, 589,992.11 and 153,845.04

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Solution

The fourth proportional to 393,577.45, 589,992.11 and 153,845.04 is: 230,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,577.45 : 589,992.11 = 153,845.04 : x
  2. Step 2: Convert to fraction form
    393,577.45/589,992.11 = 153,845.04/x
  3. Step 3: Cross multiply
    393,577.45x = 589,992.11 × 153,845.04
  4. Step 4: Simplify right side
    393,577.45x = 90,767,359,762.63
  5. Step 5: Solve for x
    x = 90,767,359,762.63/393,577.45
  6. Step 6: Final answer
    x = 230,621.35

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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.