Home / 911,704.08-1,258,148.52-503,794.56

Finding the Fourth Proportional to 911,704.08, 1,258,148.52 and 503,794.56

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Solution

The fourth proportional to 911,704.08, 1,258,148.52 and 503,794.56 is: 695,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,704.08 : 1,258,148.52 = 503,794.56 : x
  2. Step 2: Convert to fraction form
    911,704.08/1,258,148.52 = 503,794.56/x
  3. Step 3: Cross multiply
    911,704.08x = 1,258,148.52 × 503,794.56
  4. Step 4: Simplify right side
    911,704.08x = 633,848,380,048.05
  5. Step 5: Solve for x
    x = 633,848,380,048.05/911,704.08
  6. Step 6: Final answer
    x = 695,234.77

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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.