Home / 451,584.19-623,254.31-288,310.46

Finding the Fourth Proportional to 451,584.19, 623,254.31 and 288,310.46

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Solution

The fourth proportional to 451,584.19, 623,254.31 and 288,310.46 is: 397,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,584.19 : 623,254.31 = 288,310.46 : x
  2. Step 2: Convert to fraction form
    451,584.19/623,254.31 = 288,310.46/x
  3. Step 3: Cross multiply
    451,584.19x = 623,254.31 × 288,310.46
  4. Step 4: Simplify right side
    451,584.19x = 179,690,736,813.08
  5. Step 5: Solve for x
    x = 179,690,736,813.08/451,584.19
  6. Step 6: Final answer
    x = 397,911.93

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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.