Home / 427,820.92-590,399.86-234,225.40

Finding the Fourth Proportional to 427,820.92, 590,399.86 and 234,225.40

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Solution

The fourth proportional to 427,820.92, 590,399.86 and 234,225.40 is: 323,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,820.92 : 590,399.86 = 234,225.40 : x
  2. Step 2: Convert to fraction form
    427,820.92/590,399.86 = 234,225.40/x
  3. Step 3: Cross multiply
    427,820.92x = 590,399.86 × 234,225.40
  4. Step 4: Simplify right side
    427,820.92x = 138,286,643,368.44
  5. Step 5: Solve for x
    x = 138,286,643,368.44/427,820.92
  6. Step 6: Final answer
    x = 323,234.88

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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.