Home / 426,961.12-589,170.90-235,974.46

Finding the Fourth Proportional to 426,961.12, 589,170.90 and 235,974.46

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Solution

The fourth proportional to 426,961.12, 589,170.90 and 235,974.46 is: 325,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,961.12 : 589,170.90 = 235,974.46 : x
  2. Step 2: Convert to fraction form
    426,961.12/589,170.90 = 235,974.46/x
  3. Step 3: Cross multiply
    426,961.12x = 589,170.90 × 235,974.46
  4. Step 4: Simplify right side
    426,961.12x = 139,029,284,975.21
  5. Step 5: Solve for x
    x = 139,029,284,975.21/426,961.12
  6. Step 6: Final answer
    x = 325,625.16

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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.