Home / 911,556.76-1,257,841.02-503,634.28

Finding the Fourth Proportional to 911,556.76, 1,257,841.02 and 503,634.28

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Solution

The fourth proportional to 911,556.76, 1,257,841.02 and 503,634.28 is: 694,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,556.76 : 1,257,841.02 = 503,634.28 : x
  2. Step 2: Convert to fraction form
    911,556.76/1,257,841.02 = 503,634.28/x
  3. Step 3: Cross multiply
    911,556.76x = 1,257,841.02 × 503,634.28
  4. Step 4: Simplify right side
    911,556.76x = 633,491,856,462.17
  5. Step 5: Solve for x
    x = 633,491,856,462.17/911,556.76
  6. Step 6: Final answer
    x = 694,956.02

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Double scale
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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.