Home / 816,065.60-1,224,098.40-658,601.60

Finding the Fourth Proportional to 816,065.60, 1,224,098.40 and 658,601.60

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Solution

The fourth proportional to 816,065.60, 1,224,098.40 and 658,601.60 is: 987,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,065.60 : 1,224,098.40 = 658,601.60 : x
  2. Step 2: Convert to fraction form
    816,065.60/1,224,098.40 = 658,601.60/x
  3. Step 3: Cross multiply
    816,065.60x = 1,224,098.40 × 658,601.60
  4. Step 4: Simplify right side
    816,065.60x = 806,193,164,797.44
  5. Step 5: Solve for x
    x = 806,193,164,797.44/816,065.60
  6. Step 6: Final answer
    x = 987,902.40

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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.