Home / 759,611.88-1,139,977.62-360,253.80

Finding the Fourth Proportional to 759,611.88, 1,139,977.62 and 360,253.80

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Solution

The fourth proportional to 759,611.88, 1,139,977.62 and 360,253.80 is: 540,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,611.88 : 1,139,977.62 = 360,253.80 : x
  2. Step 2: Convert to fraction form
    759,611.88/1,139,977.62 = 360,253.80/x
  3. Step 3: Cross multiply
    759,611.88x = 1,139,977.62 × 360,253.80
  4. Step 4: Simplify right side
    759,611.88x = 410,681,269,519.96
  5. Step 5: Solve for x
    x = 410,681,269,519.96/759,611.88
  6. Step 6: Final answer
    x = 540,646.19

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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.