Home / 426,518.45-588,787.02-281,409.63

Finding the Fourth Proportional to 426,518.45, 588,787.02 and 281,409.63

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Solution

The fourth proportional to 426,518.45, 588,787.02 and 281,409.63 is: 388,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,518.45 : 588,787.02 = 281,409.63 : x
  2. Step 2: Convert to fraction form
    426,518.45/588,787.02 = 281,409.63/x
  3. Step 3: Cross multiply
    426,518.45x = 588,787.02 × 281,409.63
  4. Step 4: Simplify right side
    426,518.45x = 165,690,337,447.00
  5. Step 5: Solve for x
    x = 165,690,337,447.00/426,518.45
  6. Step 6: Final answer
    x = 388,471.68

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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.