Home / 427,145.04-589,408.20-236,131.92

Finding the Fourth Proportional to 427,145.04, 589,408.20 and 236,131.92

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Solution

The fourth proportional to 427,145.04, 589,408.20 and 236,131.92 is: 325,833.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,145.04 : 589,408.20 = 236,131.92 : x
  2. Step 2: Convert to fraction form
    427,145.04/589,408.20 = 236,131.92/x
  3. Step 3: Cross multiply
    427,145.04x = 589,408.20 × 236,131.92
  4. Step 4: Simplify right side
    427,145.04x = 139,178,089,929.74
  5. Step 5: Solve for x
    x = 139,178,089,929.74/427,145.04
  6. Step 6: Final answer
    x = 325,833.33

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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.