Home / 1,166,813.85-1,749,816-408,638.60

Finding the Fourth Proportional to 1,166,813.85, 1,749,816 and 408,638.60

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Solution

The fourth proportional to 1,166,813.85, 1,749,816 and 408,638.60 is: 612,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,813.85 : 1,749,816 = 408,638.60 : x
  2. Step 2: Convert to fraction form
    1,166,813.85/1,749,816 = 408,638.60/x
  3. Step 3: Cross multiply
    1,166,813.85x = 1,749,816 × 408,638.60
  4. Step 4: Simplify right side
    1,166,813.85x = 715,042,360,497.60
  5. Step 5: Solve for x
    x = 715,042,360,497.60/1,166,813.85
  6. Step 6: Final answer
    x = 612,816.14

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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.