Home / 484,630.94-668,853.38-277,979.96

Finding the Fourth Proportional to 484,630.94, 668,853.38 and 277,979.96

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Solution

The fourth proportional to 484,630.94, 668,853.38 and 277,979.96 is: 383,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,630.94 : 668,853.38 = 277,979.96 : x
  2. Step 2: Convert to fraction form
    484,630.94/668,853.38 = 277,979.96/x
  3. Step 3: Cross multiply
    484,630.94x = 668,853.38 × 277,979.96
  4. Step 4: Simplify right side
    484,630.94x = 185,927,836,100.50
  5. Step 5: Solve for x
    x = 185,927,836,100.50/484,630.94
  6. Step 6: Final answer
    x = 383,648.30

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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.