Home / 836,631.04-1,255,143.36-275,665.52

Finding the Fourth Proportional to 836,631.04, 1,255,143.36 and 275,665.52

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Solution

The fourth proportional to 836,631.04, 1,255,143.36 and 275,665.52 is: 413,563.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,631.04 : 1,255,143.36 = 275,665.52 : x
  2. Step 2: Convert to fraction form
    836,631.04/1,255,143.36 = 275,665.52/x
  3. Step 3: Cross multiply
    836,631.04x = 1,255,143.36 × 275,665.52
  4. Step 4: Simplify right side
    836,631.04x = 345,999,747,008.95
  5. Step 5: Solve for x
    x = 345,999,747,008.95/836,631.04
  6. Step 6: Final answer
    x = 413,563.12

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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.