Home / 451,858.38-623,570.93-247,905.60

Finding the Fourth Proportional to 451,858.38, 623,570.93 and 247,905.60

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Solution

The fourth proportional to 451,858.38, 623,570.93 and 247,905.60 is: 342,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,858.38 : 623,570.93 = 247,905.60 : x
  2. Step 2: Convert to fraction form
    451,858.38/623,570.93 = 247,905.60/x
  3. Step 3: Cross multiply
    451,858.38x = 623,570.93 × 247,905.60
  4. Step 4: Simplify right side
    451,858.38x = 154,586,722,895.94
  5. Step 5: Solve for x
    x = 154,586,722,895.94/451,858.38
  6. Step 6: Final answer
    x = 342,113.21

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1.5x scale

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.