Home / 705,200.94-973,167.26-399,269.39

Finding the Fourth Proportional to 705,200.94, 973,167.26 and 399,269.39

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Solution

The fourth proportional to 705,200.94, 973,167.26 and 399,269.39 is: 550,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,200.94 : 973,167.26 = 399,269.39 : x
  2. Step 2: Convert to fraction form
    705,200.94/973,167.26 = 399,269.39/x
  3. Step 3: Cross multiply
    705,200.94x = 973,167.26 × 399,269.39
  4. Step 4: Simplify right side
    705,200.94x = 388,555,891,405.99
  5. Step 5: Solve for x
    x = 388,555,891,405.99/705,200.94
  6. Step 6: Final answer
    x = 550,986.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.