Home / 929,812.60-1,394,718.90-628,662.70

Finding the Fourth Proportional to 929,812.60, 1,394,718.90 and 628,662.70

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Solution

The fourth proportional to 929,812.60, 1,394,718.90 and 628,662.70 is: 942,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,812.60 : 1,394,718.90 = 628,662.70 : x
  2. Step 2: Convert to fraction form
    929,812.60/1,394,718.90 = 628,662.70/x
  3. Step 3: Cross multiply
    929,812.60x = 1,394,718.90 × 628,662.70
  4. Step 4: Simplify right side
    929,812.60x = 876,807,749,415.03
  5. Step 5: Solve for x
    x = 876,807,749,415.03/929,812.60
  6. Step 6: Final answer
    x = 942,994.05

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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.