Home / 479,573.19-719,095.30-195,190.75

Finding the Fourth Proportional to 479,573.19, 719,095.30 and 195,190.75

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Solution

The fourth proportional to 479,573.19, 719,095.30 and 195,190.75 is: 292,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,573.19 : 719,095.30 = 195,190.75 : x
  2. Step 2: Convert to fraction form
    479,573.19/719,095.30 = 195,190.75/x
  3. Step 3: Cross multiply
    479,573.19x = 719,095.30 × 195,190.75
  4. Step 4: Simplify right side
    479,573.19x = 140,360,750,928.48
  5. Step 5: Solve for x
    x = 140,360,750,928.48/479,573.19
  6. Step 6: Final answer
    x = 292,678.48

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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.