Home / 469,623.75-648,080.78-268,424.07

Finding the Fourth Proportional to 469,623.75, 648,080.78 and 268,424.07

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Solution

The fourth proportional to 469,623.75, 648,080.78 and 268,424.07 is: 370,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,623.75 : 648,080.78 = 268,424.07 : x
  2. Step 2: Convert to fraction form
    469,623.75/648,080.78 = 268,424.07/x
  3. Step 3: Cross multiply
    469,623.75x = 648,080.78 × 268,424.07
  4. Step 4: Simplify right side
    469,623.75x = 173,960,479,314.25
  5. Step 5: Solve for x
    x = 173,960,479,314.25/469,623.75
  6. Step 6: Final answer
    x = 370,425.22

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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.