Home / 839,062.53-1,259,691.41-498,128.37

Finding the Fourth Proportional to 839,062.53, 1,259,691.41 and 498,128.37

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Solution

The fourth proportional to 839,062.53, 1,259,691.41 and 498,128.37 is: 747,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,062.53 : 1,259,691.41 = 498,128.37 : x
  2. Step 2: Convert to fraction form
    839,062.53/1,259,691.41 = 498,128.37/x
  3. Step 3: Cross multiply
    839,062.53x = 1,259,691.41 × 498,128.37
  4. Step 4: Simplify right side
    839,062.53x = 627,488,026,275.66
  5. Step 5: Solve for x
    x = 627,488,026,275.66/839,062.53
  6. Step 6: Final answer
    x = 747,844.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.