Home / 911,573.46-1,257,861.98-503,650.17

Finding the Fourth Proportional to 911,573.46, 1,257,861.98 and 503,650.17

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Solution

The fourth proportional to 911,573.46, 1,257,861.98 and 503,650.17 is: 694,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,573.46 : 1,257,861.98 = 503,650.17 : x
  2. Step 2: Convert to fraction form
    911,573.46/1,257,861.98 = 503,650.17/x
  3. Step 3: Cross multiply
    911,573.46x = 1,257,861.98 × 503,650.17
  4. Step 4: Simplify right side
    911,573.46x = 633,522,401,322.66
  5. Step 5: Solve for x
    x = 633,522,401,322.66/911,573.46
  6. Step 6: Final answer
    x = 694,976.79

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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.