Home / 426,836.72-589,026.12-235,845.20

Finding the Fourth Proportional to 426,836.72, 589,026.12 and 235,845.20

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Solution

The fourth proportional to 426,836.72, 589,026.12 and 235,845.20 is: 325,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,836.72 : 589,026.12 = 235,845.20 : x
  2. Step 2: Convert to fraction form
    426,836.72/589,026.12 = 235,845.20/x
  3. Step 3: Cross multiply
    426,836.72x = 589,026.12 × 235,845.20
  4. Step 4: Simplify right side
    426,836.72x = 138,918,983,076.62
  5. Step 5: Solve for x
    x = 138,918,983,076.62/426,836.72
  6. Step 6: Final answer
    x = 325,461.65

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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.