Home / 451,858.37-623,570.91-247,905.58

Finding the Fourth Proportional to 451,858.37, 623,570.91 and 247,905.58

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Solution

The fourth proportional to 451,858.37, 623,570.91 and 247,905.58 is: 342,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,858.37 : 623,570.91 = 247,905.58 : x
  2. Step 2: Convert to fraction form
    451,858.37/623,570.91 = 247,905.58/x
  3. Step 3: Cross multiply
    451,858.37x = 623,570.91 × 247,905.58
  4. Step 4: Simplify right side
    451,858.37x = 154,586,706,405.57
  5. Step 5: Solve for x
    x = 154,586,706,405.57/451,858.37
  6. Step 6: Final answer
    x = 342,113.19

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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.