Home / 767,454.75-1,059,120.36-427,923

Finding the Fourth Proportional to 767,454.75, 1,059,120.36 and 427,923

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Solution

The fourth proportional to 767,454.75, 1,059,120.36 and 427,923 is: 590,552.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,454.75 : 1,059,120.36 = 427,923 : x
  2. Step 2: Convert to fraction form
    767,454.75/1,059,120.36 = 427,923/x
  3. Step 3: Cross multiply
    767,454.75x = 1,059,120.36 × 427,923
  4. Step 4: Simplify right side
    767,454.75x = 453,221,961,812.28
  5. Step 5: Solve for x
    x = 453,221,961,812.28/767,454.75
  6. Step 6: Final answer
    x = 590,552.03

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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.