Home / 834,838.60-1,252,257.90-414,934.60

Finding the Fourth Proportional to 834,838.60, 1,252,257.90 and 414,934.60

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Solution

The fourth proportional to 834,838.60, 1,252,257.90 and 414,934.60 is: 622,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,838.60 : 1,252,257.90 = 414,934.60 : x
  2. Step 2: Convert to fraction form
    834,838.60/1,252,257.90 = 414,934.60/x
  3. Step 3: Cross multiply
    834,838.60x = 1,252,257.90 × 414,934.60
  4. Step 4: Simplify right side
    834,838.60x = 519,605,130,833.34
  5. Step 5: Solve for x
    x = 519,605,130,833.34/834,838.60
  6. Step 6: Final answer
    x = 622,401.90

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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.