Home / 876,054.96-1,208,954.16-494,080.56

Finding the Fourth Proportional to 876,054.96, 1,208,954.16 and 494,080.56

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Solution

The fourth proportional to 876,054.96, 1,208,954.16 and 494,080.56 is: 681,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,054.96 : 1,208,954.16 = 494,080.56 : x
  2. Step 2: Convert to fraction form
    876,054.96/1,208,954.16 = 494,080.56/x
  3. Step 3: Cross multiply
    876,054.96x = 1,208,954.16 × 494,080.56
  4. Step 4: Simplify right side
    876,054.96x = 597,320,748,387.13
  5. Step 5: Solve for x
    x = 597,320,748,387.13/876,054.96
  6. Step 6: Final answer
    x = 681,830.22

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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.