Home / 919,845.72-1,379,774.86-351,073.44

Finding the Fourth Proportional to 919,845.72, 1,379,774.86 and 351,073.44

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Solution

The fourth proportional to 919,845.72, 1,379,774.86 and 351,073.44 is: 526,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,845.72 : 1,379,774.86 = 351,073.44 : x
  2. Step 2: Convert to fraction form
    919,845.72/1,379,774.86 = 351,073.44/x
  3. Step 3: Cross multiply
    919,845.72x = 1,379,774.86 × 351,073.44
  4. Step 4: Simplify right side
    919,845.72x = 484,402,305,648.04
  5. Step 5: Solve for x
    x = 484,402,305,648.04/919,845.72
  6. Step 6: Final answer
    x = 526,612.56

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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.