Home / 427,031.40-589,278-236,033.40

Finding the Fourth Proportional to 427,031.40, 589,278 and 236,033.40

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Solution

The fourth proportional to 427,031.40, 589,278 and 236,033.40 is: 325,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,031.40 : 589,278 = 236,033.40 : x
  2. Step 2: Convert to fraction form
    427,031.40/589,278 = 236,033.40/x
  3. Step 3: Cross multiply
    427,031.40x = 589,278 × 236,033.40
  4. Step 4: Simplify right side
    427,031.40x = 139,089,289,885.20
  5. Step 5: Solve for x
    x = 139,089,289,885.20/427,031.40
  6. Step 6: Final answer
    x = 325,712.09

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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.