Home / 810,285.51-1,118,096.78-447,687.03

Finding the Fourth Proportional to 810,285.51, 1,118,096.78 and 447,687.03

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Solution

The fourth proportional to 810,285.51, 1,118,096.78 and 447,687.03 is: 617,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,285.51 : 1,118,096.78 = 447,687.03 : x
  2. Step 2: Convert to fraction form
    810,285.51/1,118,096.78 = 447,687.03/x
  3. Step 3: Cross multiply
    810,285.51x = 1,118,096.78 × 447,687.03
  4. Step 4: Simplify right side
    810,285.51x = 500,557,424,452.33
  5. Step 5: Solve for x
    x = 500,557,424,452.33/810,285.51
  6. Step 6: Final answer
    x = 617,754.38

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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.