Home / 479,319.66-719,077.84-195,009.46

Finding the Fourth Proportional to 479,319.66, 719,077.84 and 195,009.46

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Solution

The fourth proportional to 479,319.66, 719,077.84 and 195,009.46 is: 292,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,319.66 : 719,077.84 = 195,009.46 : x
  2. Step 2: Convert to fraction form
    479,319.66/719,077.84 = 195,009.46/x
  3. Step 3: Cross multiply
    479,319.66x = 719,077.84 × 195,009.46
  4. Step 4: Simplify right side
    479,319.66x = 140,226,978,991.15
  5. Step 5: Solve for x
    x = 140,226,978,991.15/479,319.66
  6. Step 6: Final answer
    x = 292,554.20

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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.