Home / 451,934.40-623,648.56-247,980.24

Finding the Fourth Proportional to 451,934.40, 623,648.56 and 247,980.24

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Solution

The fourth proportional to 451,934.40, 623,648.56 and 247,980.24 is: 342,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,934.40 : 623,648.56 = 247,980.24 : x
  2. Step 2: Convert to fraction form
    451,934.40/623,648.56 = 247,980.24/x
  3. Step 3: Cross multiply
    451,934.40x = 623,648.56 × 247,980.24
  4. Step 4: Simplify right side
    451,934.40x = 154,652,519,584.45
  5. Step 5: Solve for x
    x = 154,652,519,584.45/451,934.40
  6. Step 6: Final answer
    x = 342,201.26

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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.