Home / 454,429.40-681,644.10-410,192.60

Finding the Fourth Proportional to 454,429.40, 681,644.10 and 410,192.60

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Solution

The fourth proportional to 454,429.40, 681,644.10 and 410,192.60 is: 615,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,429.40 : 681,644.10 = 410,192.60 : x
  2. Step 2: Convert to fraction form
    454,429.40/681,644.10 = 410,192.60/x
  3. Step 3: Cross multiply
    454,429.40x = 681,644.10 × 410,192.60
  4. Step 4: Simplify right side
    454,429.40x = 279,605,365,653.66
  5. Step 5: Solve for x
    x = 279,605,365,653.66/454,429.40
  6. Step 6: Final answer
    x = 615,288.90

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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.