Home / 755,647-1,042,792.86-416,115.25

Finding the Fourth Proportional to 755,647, 1,042,792.86 and 416,115.25

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Solution

The fourth proportional to 755,647, 1,042,792.86 and 416,115.25 is: 574,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,647 : 1,042,792.86 = 416,115.25 : x
  2. Step 2: Convert to fraction form
    755,647/1,042,792.86 = 416,115.25/x
  3. Step 3: Cross multiply
    755,647x = 1,042,792.86 × 416,115.25
  4. Step 4: Simplify right side
    755,647x = 433,922,011,637.12
  5. Step 5: Solve for x
    x = 433,922,011,637.12/755,647
  6. Step 6: Final answer
    x = 574,239.05

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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.