Home / 480,028.51-662,571.30-298,632.25

Finding the Fourth Proportional to 480,028.51, 662,571.30 and 298,632.25

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Solution

The fourth proportional to 480,028.51, 662,571.30 and 298,632.25 is: 412,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,028.51 : 662,571.30 = 298,632.25 : x
  2. Step 2: Convert to fraction form
    480,028.51/662,571.30 = 298,632.25/x
  3. Step 3: Cross multiply
    480,028.51x = 662,571.30 × 298,632.25
  4. Step 4: Simplify right side
    480,028.51x = 197,865,158,104.43
  5. Step 5: Solve for x
    x = 197,865,158,104.43/480,028.51
  6. Step 6: Final answer
    x = 412,194.60

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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.