Home / 681,986.12-941,097.32-376,064.47

Finding the Fourth Proportional to 681,986.12, 941,097.32 and 376,064.47

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Solution

The fourth proportional to 681,986.12, 941,097.32 and 376,064.47 is: 518,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,986.12 : 941,097.32 = 376,064.47 : x
  2. Step 2: Convert to fraction form
    681,986.12/941,097.32 = 376,064.47/x
  3. Step 3: Cross multiply
    681,986.12x = 941,097.32 × 376,064.47
  4. Step 4: Simplify right side
    681,986.12x = 353,913,265,570.51
  5. Step 5: Solve for x
    x = 353,913,265,570.51/681,986.12
  6. Step 6: Final answer
    x = 518,944.97

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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.