Home / 816,609.20-1,223,601.60-604,032.80

Finding the Fourth Proportional to 816,609.20, 1,223,601.60 and 604,032.80

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Solution

The fourth proportional to 816,609.20, 1,223,601.60 and 604,032.80 is: 905,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,609.20 : 1,223,601.60 = 604,032.80 : x
  2. Step 2: Convert to fraction form
    816,609.20/1,223,601.60 = 604,032.80/x
  3. Step 3: Cross multiply
    816,609.20x = 1,223,601.60 × 604,032.80
  4. Step 4: Simplify right side
    816,609.20x = 739,095,500,532.48
  5. Step 5: Solve for x
    x = 739,095,500,532.48/816,609.20
  6. Step 6: Final answer
    x = 905,078.59

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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.