Home / 957,795.78-1,321,766.73-528,091.32

Finding the Fourth Proportional to 957,795.78, 1,321,766.73 and 528,091.32

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Solution

The fourth proportional to 957,795.78, 1,321,766.73 and 528,091.32 is: 728,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,795.78 : 1,321,766.73 = 528,091.32 : x
  2. Step 2: Convert to fraction form
    957,795.78/1,321,766.73 = 528,091.32/x
  3. Step 3: Cross multiply
    957,795.78x = 1,321,766.73 × 528,091.32
  4. Step 4: Simplify right side
    957,795.78x = 698,013,537,177.78
  5. Step 5: Solve for x
    x = 698,013,537,177.78/957,795.78
  6. Step 6: Final answer
    x = 728,770.74

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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.