Home / 769,571.10-1,154,356.62-208,605.60

Finding the Fourth Proportional to 769,571.10, 1,154,356.62 and 208,605.60

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Solution

The fourth proportional to 769,571.10, 1,154,356.62 and 208,605.60 is: 312,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,571.10 : 1,154,356.62 = 208,605.60 : x
  2. Step 2: Convert to fraction form
    769,571.10/1,154,356.62 = 208,605.60/x
  3. Step 3: Cross multiply
    769,571.10x = 1,154,356.62 × 208,605.60
  4. Step 4: Simplify right side
    769,571.10x = 240,805,255,329.07
  5. Step 5: Solve for x
    x = 240,805,255,329.07/769,571.10
  6. Step 6: Final answer
    x = 312,908.39

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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.