Home / 427,085.40-589,352.52-236,087.40

Finding the Fourth Proportional to 427,085.40, 589,352.52 and 236,087.40

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Solution

The fourth proportional to 427,085.40, 589,352.52 and 236,087.40 is: 325,786.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,085.40 : 589,352.52 = 236,087.40 : x
  2. Step 2: Convert to fraction form
    427,085.40/589,352.52 = 236,087.40/x
  3. Step 3: Cross multiply
    427,085.40x = 589,352.52 × 236,087.40
  4. Step 4: Simplify right side
    427,085.40x = 139,138,704,130.25
  5. Step 5: Solve for x
    x = 139,138,704,130.25/427,085.40
  6. Step 6: Final answer
    x = 325,786.61

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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.