Home / 751,923-1,037,702.95-412,391.25

Finding the Fourth Proportional to 751,923, 1,037,702.95 and 412,391.25

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Solution

The fourth proportional to 751,923, 1,037,702.95 and 412,391.25 is: 569,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,923 : 1,037,702.95 = 412,391.25 : x
  2. Step 2: Convert to fraction form
    751,923/1,037,702.95 = 412,391.25/x
  3. Step 3: Cross multiply
    751,923x = 1,037,702.95 × 412,391.25
  4. Step 4: Simplify right side
    751,923x = 427,939,615,648.21
  5. Step 5: Solve for x
    x = 427,939,615,648.21/751,923
  6. Step 6: Final answer
    x = 569,126.91

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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.