Home / 1,993,235.80-2,989,853.70-573,208.60

Finding the Fourth Proportional to 1,993,235.80, 2,989,853.70 and 573,208.60

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Solution

The fourth proportional to 1,993,235.80, 2,989,853.70 and 573,208.60 is: 859,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,235.80 : 2,989,853.70 = 573,208.60 : x
  2. Step 2: Convert to fraction form
    1,993,235.80/2,989,853.70 = 573,208.60/x
  3. Step 3: Cross multiply
    1,993,235.80x = 2,989,853.70 × 573,208.60
  4. Step 4: Simplify right side
    1,993,235.80x = 1,713,809,853,581.82
  5. Step 5: Solve for x
    x = 1,713,809,853,581.82/1,993,235.80
  6. Step 6: Final answer
    x = 859,812.90

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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.