Home / 928,971.90-1,393,390.16-416,795.64

Finding the Fourth Proportional to 928,971.90, 1,393,390.16 and 416,795.64

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Solution

The fourth proportional to 928,971.90, 1,393,390.16 and 416,795.64 is: 625,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,971.90 : 1,393,390.16 = 416,795.64 : x
  2. Step 2: Convert to fraction form
    928,971.90/1,393,390.16 = 416,795.64/x
  3. Step 3: Cross multiply
    928,971.90x = 1,393,390.16 × 416,795.64
  4. Step 4: Simplify right side
    928,971.90x = 580,758,943,506.90
  5. Step 5: Solve for x
    x = 580,758,943,506.90/928,971.90
  6. Step 6: Final answer
    x = 625,163.09

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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.