Home / 911,520.44-1,257,948.66-503,613.55

Finding the Fourth Proportional to 911,520.44, 1,257,948.66 and 503,613.55

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Solution

The fourth proportional to 911,520.44, 1,257,948.66 and 503,613.55 is: 695,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,520.44 : 1,257,948.66 = 503,613.55 : x
  2. Step 2: Convert to fraction form
    911,520.44/1,257,948.66 = 503,613.55/x
  3. Step 3: Cross multiply
    911,520.44x = 1,257,948.66 × 503,613.55
  4. Step 4: Simplify right side
    911,520.44x = 633,519,993,841.33
  5. Step 5: Solve for x
    x = 633,519,993,841.33/911,520.44
  6. Step 6: Final answer
    x = 695,014.58

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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.