Home / 467,883.75-645,742.76-263,976.51

Finding the Fourth Proportional to 467,883.75, 645,742.76 and 263,976.51

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Solution

The fourth proportional to 467,883.75, 645,742.76 and 263,976.51 is: 364,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,883.75 : 645,742.76 = 263,976.51 : x
  2. Step 2: Convert to fraction form
    467,883.75/645,742.76 = 263,976.51/x
  3. Step 3: Cross multiply
    467,883.75x = 645,742.76 × 263,976.51
  4. Step 4: Simplify right side
    467,883.75x = 170,460,920,142.57
  5. Step 5: Solve for x
    x = 170,460,920,142.57/467,883.75
  6. Step 6: Final answer
    x = 364,323.23

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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.