Home / 383,647.10-529,213.19-240,158.03

Finding the Fourth Proportional to 383,647.10, 529,213.19 and 240,158.03

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Solution

The fourth proportional to 383,647.10, 529,213.19 and 240,158.03 is: 331,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,647.10 : 529,213.19 = 240,158.03 : x
  2. Step 2: Convert to fraction form
    383,647.10/529,213.19 = 240,158.03/x
  3. Step 3: Cross multiply
    383,647.10x = 529,213.19 × 240,158.03
  4. Step 4: Simplify right side
    383,647.10x = 127,094,797,160.42
  5. Step 5: Solve for x
    x = 127,094,797,160.42/383,647.10
  6. Step 6: Final answer
    x = 331,280.48

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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.