Home / 897,251.40-1,238,172.68-494,843.40

Finding the Fourth Proportional to 897,251.40, 1,238,172.68 and 494,843.40

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Solution

The fourth proportional to 897,251.40, 1,238,172.68 and 494,843.40 is: 682,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,251.40 : 1,238,172.68 = 494,843.40 : x
  2. Step 2: Convert to fraction form
    897,251.40/1,238,172.68 = 494,843.40/x
  3. Step 3: Cross multiply
    897,251.40x = 1,238,172.68 × 494,843.40
  4. Step 4: Simplify right side
    897,251.40x = 612,701,578,758.31
  5. Step 5: Solve for x
    x = 612,701,578,758.31/897,251.40
  6. Step 6: Final answer
    x = 682,865.00

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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.