Home / 383,914.71-529,972.16-248,014.89

Finding the Fourth Proportional to 383,914.71, 529,972.16 and 248,014.89

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Solution

The fourth proportional to 383,914.71, 529,972.16 and 248,014.89 is: 342,370.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,914.71 : 529,972.16 = 248,014.89 : x
  2. Step 2: Convert to fraction form
    383,914.71/529,972.16 = 248,014.89/x
  3. Step 3: Cross multiply
    383,914.71x = 529,972.16 × 248,014.89
  4. Step 4: Simplify right side
    383,914.71x = 131,440,985,725.39
  5. Step 5: Solve for x
    x = 131,440,985,725.39/383,914.71
  6. Step 6: Final answer
    x = 342,370.28

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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.