Home / 1,022,017.37-1,410,968.57-678,319.38

Finding the Fourth Proportional to 1,022,017.37, 1,410,968.57 and 678,319.38

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Solution

The fourth proportional to 1,022,017.37, 1,410,968.57 and 678,319.38 is: 936,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,017.37 : 1,410,968.57 = 678,319.38 : x
  2. Step 2: Convert to fraction form
    1,022,017.37/1,410,968.57 = 678,319.38/x
  3. Step 3: Cross multiply
    1,022,017.37x = 1,410,968.57 × 678,319.38
  4. Step 4: Simplify right side
    1,022,017.37x = 957,087,322,210.29
  5. Step 5: Solve for x
    x = 957,087,322,210.29/1,022,017.37
  6. Step 6: Final answer
    x = 936,468.75

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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.