Home / 456,617.42-684,815.34-190,232.60

Finding the Fourth Proportional to 456,617.42, 684,815.34 and 190,232.60

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Solution

The fourth proportional to 456,617.42, 684,815.34 and 190,232.60 is: 285,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,617.42 : 684,815.34 = 190,232.60 : x
  2. Step 2: Convert to fraction form
    456,617.42/684,815.34 = 190,232.60/x
  3. Step 3: Cross multiply
    456,617.42x = 684,815.34 × 190,232.60
  4. Step 4: Simplify right side
    456,617.42x = 130,274,202,648.08
  5. Step 5: Solve for x
    x = 130,274,202,648.08/456,617.42
  6. Step 6: Final answer
    x = 285,302.74

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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.