Home / 1,166,812.85-1,749,814.50-408,637.60

Finding the Fourth Proportional to 1,166,812.85, 1,749,814.50 and 408,637.60

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Solution

The fourth proportional to 1,166,812.85, 1,749,814.50 and 408,637.60 is: 612,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,812.85 : 1,749,814.50 = 408,637.60 : x
  2. Step 2: Convert to fraction form
    1,166,812.85/1,749,814.50 = 408,637.60/x
  3. Step 3: Cross multiply
    1,166,812.85x = 1,749,814.50 × 408,637.60
  4. Step 4: Simplify right side
    1,166,812.85x = 715,039,997,725.20
  5. Step 5: Solve for x
    x = 715,039,997,725.20/1,166,812.85
  6. Step 6: Final answer
    x = 612,814.64

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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.