Home / 681,817.77-940,922.77-375,907.05

Finding the Fourth Proportional to 681,817.77, 940,922.77 and 375,907.05

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Solution

The fourth proportional to 681,817.77, 940,922.77 and 375,907.05 is: 518,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,817.77 : 940,922.77 = 375,907.05 : x
  2. Step 2: Convert to fraction form
    681,817.77/940,922.77 = 375,907.05/x
  3. Step 3: Cross multiply
    681,817.77x = 940,922.77 × 375,907.05
  4. Step 4: Simplify right side
    681,817.77x = 353,699,498,043.92
  5. Step 5: Solve for x
    x = 353,699,498,043.92/681,817.77
  6. Step 6: Final answer
    x = 518,759.58

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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.