Home / 589,056.60-812,664.18-340,652.64

Finding the Fourth Proportional to 589,056.60, 812,664.18 and 340,652.64

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Solution

The fourth proportional to 589,056.60, 812,664.18 and 340,652.64 is: 469,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,056.60 : 812,664.18 = 340,652.64 : x
  2. Step 2: Convert to fraction form
    589,056.60/812,664.18 = 340,652.64/x
  3. Step 3: Cross multiply
    589,056.60x = 812,664.18 × 340,652.64
  4. Step 4: Simplify right side
    589,056.60x = 276,836,198,350.44
  5. Step 5: Solve for x
    x = 276,836,198,350.44/589,056.60
  6. Step 6: Final answer
    x = 469,965.36

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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.