Home / 427,905.56-590,518.88-234,321.44

Finding the Fourth Proportional to 427,905.56, 590,518.88 and 234,321.44

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Solution

The fourth proportional to 427,905.56, 590,518.88 and 234,321.44 is: 323,368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,905.56 : 590,518.88 = 234,321.44 : x
  2. Step 2: Convert to fraction form
    427,905.56/590,518.88 = 234,321.44/x
  3. Step 3: Cross multiply
    427,905.56x = 590,518.88 × 234,321.44
  4. Step 4: Simplify right side
    427,905.56x = 138,371,234,308.79
  5. Step 5: Solve for x
    x = 138,371,234,308.79/427,905.56
  6. Step 6: Final answer
    x = 323,368.63

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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.