Home / 607,378.02-838,166.43-331,724.43

Finding the Fourth Proportional to 607,378.02, 838,166.43 and 331,724.43

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Solution

The fourth proportional to 607,378.02, 838,166.43 and 331,724.43 is: 457,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,378.02 : 838,166.43 = 331,724.43 : x
  2. Step 2: Convert to fraction form
    607,378.02/838,166.43 = 331,724.43/x
  3. Step 3: Cross multiply
    607,378.02x = 838,166.43 × 331,724.43
  4. Step 4: Simplify right side
    607,378.02x = 278,040,281,236.89
  5. Step 5: Solve for x
    x = 278,040,281,236.89/607,378.02
  6. Step 6: Final answer
    x = 457,771.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.