Home / 427,520.16-589,935.60-236,507.04

Finding the Fourth Proportional to 427,520.16, 589,935.60 and 236,507.04

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Solution

The fourth proportional to 427,520.16, 589,935.60 and 236,507.04 is: 326,356.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,520.16 : 589,935.60 = 236,507.04 : x
  2. Step 2: Convert to fraction form
    427,520.16/589,935.60 = 236,507.04/x
  3. Step 3: Cross multiply
    427,520.16x = 589,935.60 × 236,507.04
  4. Step 4: Simplify right side
    427,520.16x = 139,523,922,546.62
  5. Step 5: Solve for x
    x = 139,523,922,546.62/427,520.16
  6. Step 6: Final answer
    x = 326,356.36

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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.