Home / 1,175,405.20-1,763,107.80-377,259.55

Finding the Fourth Proportional to 1,175,405.20, 1,763,107.80 and 377,259.55

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Solution

The fourth proportional to 1,175,405.20, 1,763,107.80 and 377,259.55 is: 565,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,405.20 : 1,763,107.80 = 377,259.55 : x
  2. Step 2: Convert to fraction form
    1,175,405.20/1,763,107.80 = 377,259.55/x
  3. Step 3: Cross multiply
    1,175,405.20x = 1,763,107.80 × 377,259.55
  4. Step 4: Simplify right side
    1,175,405.20x = 665,149,255,229.49
  5. Step 5: Solve for x
    x = 665,149,255,229.49/1,175,405.20
  6. Step 6: Final answer
    x = 565,889.33

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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.