Home / 926,889.58-1,390,556.32-386,845.56

Finding the Fourth Proportional to 926,889.58, 1,390,556.32 and 386,845.56

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Solution

The fourth proportional to 926,889.58, 1,390,556.32 and 386,845.56 is: 580,360.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,889.58 : 1,390,556.32 = 386,845.56 : x
  2. Step 2: Convert to fraction form
    926,889.58/1,390,556.32 = 386,845.56/x
  3. Step 3: Cross multiply
    926,889.58x = 1,390,556.32 × 386,845.56
  4. Step 4: Simplify right side
    926,889.58x = 537,930,538,321.94
  5. Step 5: Solve for x
    x = 537,930,538,321.94/926,889.58
  6. Step 6: Final answer
    x = 580,360.97

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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.