Home / 450,725.46-621,976.47-246,736.92

Finding the Fourth Proportional to 450,725.46, 621,976.47 and 246,736.92

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Solution

The fourth proportional to 450,725.46, 621,976.47 and 246,736.92 is: 340,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,725.46 : 621,976.47 = 246,736.92 : x
  2. Step 2: Convert to fraction form
    450,725.46/621,976.47 = 246,736.92/x
  3. Step 3: Cross multiply
    450,725.46x = 621,976.47 × 246,736.92
  4. Step 4: Simplify right side
    450,725.46x = 153,464,558,520.27
  5. Step 5: Solve for x
    x = 153,464,558,520.27/450,725.46
  6. Step 6: Final answer
    x = 340,483.45

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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.