Home / 844,923-1,165,993.80-462,963.48

Finding the Fourth Proportional to 844,923, 1,165,993.80 and 462,963.48

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Solution

The fourth proportional to 844,923, 1,165,993.80 and 462,963.48 is: 638,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,923 : 1,165,993.80 = 462,963.48 : x
  2. Step 2: Convert to fraction form
    844,923/1,165,993.80 = 462,963.48/x
  3. Step 3: Cross multiply
    844,923x = 1,165,993.80 × 462,963.48
  4. Step 4: Simplify right side
    844,923x = 539,812,547,306.42
  5. Step 5: Solve for x
    x = 539,812,547,306.42/844,923
  6. Step 6: Final answer
    x = 638,889.64

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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.