Home / 769,619.37-1,154,448.90-364,716.57

Finding the Fourth Proportional to 769,619.37, 1,154,448.90 and 364,716.57

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Solution

The fourth proportional to 769,619.37, 1,154,448.90 and 364,716.57 is: 547,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,619.37 : 1,154,448.90 = 364,716.57 : x
  2. Step 2: Convert to fraction form
    769,619.37/1,154,448.90 = 364,716.57/x
  3. Step 3: Cross multiply
    769,619.37x = 1,154,448.90 × 364,716.57
  4. Step 4: Simplify right side
    769,619.37x = 421,046,643,048.27
  5. Step 5: Solve for x
    x = 421,046,643,048.27/769,619.37
  6. Step 6: Final answer
    x = 547,084.26

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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.