Home / 464,910.10-697,037.10-212,311.60

Finding the Fourth Proportional to 464,910.10, 697,037.10 and 212,311.60

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Solution

The fourth proportional to 464,910.10, 697,037.10 and 212,311.60 is: 318,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,910.10 : 697,037.10 = 212,311.60 : x
  2. Step 2: Convert to fraction form
    464,910.10/697,037.10 = 212,311.60/x
  3. Step 3: Cross multiply
    464,910.10x = 697,037.10 × 212,311.60
  4. Step 4: Simplify right side
    464,910.10x = 147,989,061,960.36
  5. Step 5: Solve for x
    x = 147,989,061,960.36/464,910.10
  6. Step 6: Final answer
    x = 318,317.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.