Home / 427,378.26-589,742.42-236,387.54

Finding the Fourth Proportional to 427,378.26, 589,742.42 and 236,387.54

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Solution

The fourth proportional to 427,378.26, 589,742.42 and 236,387.54 is: 326,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,378.26 : 589,742.42 = 236,387.54 : x
  2. Step 2: Convert to fraction form
    427,378.26/589,742.42 = 236,387.54/x
  3. Step 3: Cross multiply
    427,378.26x = 589,742.42 × 236,387.54
  4. Step 4: Simplify right side
    427,378.26x = 139,407,759,897.45
  5. Step 5: Solve for x
    x = 139,407,759,897.45/427,378.26
  6. Step 6: Final answer
    x = 326,192.91

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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.