Home / 495,116.46-742,555.22-228,620.79

Finding the Fourth Proportional to 495,116.46, 742,555.22 and 228,620.79

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Solution

The fourth proportional to 495,116.46, 742,555.22 and 228,620.79 is: 342,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,116.46 : 742,555.22 = 228,620.79 : x
  2. Step 2: Convert to fraction form
    495,116.46/742,555.22 = 228,620.79/x
  3. Step 3: Cross multiply
    495,116.46x = 742,555.22 × 228,620.79
  4. Step 4: Simplify right side
    495,116.46x = 169,763,559,871.92
  5. Step 5: Solve for x
    x = 169,763,559,871.92/495,116.46
  6. Step 6: Final answer
    x = 342,876.02

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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.