Home / 460,780.02-691,169.94-145,261.62

Finding the Fourth Proportional to 460,780.02, 691,169.94 and 145,261.62

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Solution

The fourth proportional to 460,780.02, 691,169.94 and 145,261.62 is: 217,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,780.02 : 691,169.94 = 145,261.62 : x
  2. Step 2: Convert to fraction form
    460,780.02/691,169.94 = 145,261.62/x
  3. Step 3: Cross multiply
    460,780.02x = 691,169.94 × 145,261.62
  4. Step 4: Simplify right side
    460,780.02x = 100,400,465,179.70
  5. Step 5: Solve for x
    x = 100,400,465,179.70/460,780.02
  6. Step 6: Final answer
    x = 217,892.40

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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.