Home / 1,257,066-1,734,448.55-740,840.45

Finding the Fourth Proportional to 1,257,066, 1,734,448.55 and 740,840.45

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Solution

The fourth proportional to 1,257,066, 1,734,448.55 and 740,840.45 is: 1,022,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,066 : 1,734,448.55 = 740,840.45 : x
  2. Step 2: Convert to fraction form
    1,257,066/1,734,448.55 = 740,840.45/x
  3. Step 3: Cross multiply
    1,257,066x = 1,734,448.55 × 740,840.45
  4. Step 4: Simplify right side
    1,257,066x = 1,284,949,631,907.40
  5. Step 5: Solve for x
    x = 1,284,949,631,907.40/1,257,066
  6. Step 6: Final answer
    x = 1,022,181.52

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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.