Home / 897,259.38-1,238,183.72-494,851.38

Finding the Fourth Proportional to 897,259.38, 1,238,183.72 and 494,851.38

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Solution

The fourth proportional to 897,259.38, 1,238,183.72 and 494,851.38 is: 682,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,259.38 : 1,238,183.72 = 494,851.38 : x
  2. Step 2: Convert to fraction form
    897,259.38/1,238,183.72 = 494,851.38/x
  3. Step 3: Cross multiply
    897,259.38x = 1,238,183.72 × 494,851.38
  4. Step 4: Simplify right side
    897,259.38x = 612,716,922,535.53
  5. Step 5: Solve for x
    x = 612,716,922,535.53/897,259.38
  6. Step 6: Final answer
    x = 682,876.03

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Double scale
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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.