Home / 427,115.08-589,366.02-236,132.20

Finding the Fourth Proportional to 427,115.08, 589,366.02 and 236,132.20

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Solution

The fourth proportional to 427,115.08, 589,366.02 and 236,132.20 is: 325,833.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,115.08 : 589,366.02 = 236,132.20 : x
  2. Step 2: Convert to fraction form
    427,115.08/589,366.02 = 236,132.20/x
  3. Step 3: Cross multiply
    427,115.08x = 589,366.02 × 236,132.20
  4. Step 4: Simplify right side
    427,115.08x = 139,168,294,907.84
  5. Step 5: Solve for x
    x = 139,168,294,907.84/427,115.08
  6. Step 6: Final answer
    x = 325,833.25

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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.