Home / 862,896.54-1,190,798.42-518,736.27

Finding the Fourth Proportional to 862,896.54, 1,190,798.42 and 518,736.27

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Solution

The fourth proportional to 862,896.54, 1,190,798.42 and 518,736.27 is: 715,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,896.54 : 1,190,798.42 = 518,736.27 : x
  2. Step 2: Convert to fraction form
    862,896.54/1,190,798.42 = 518,736.27/x
  3. Step 3: Cross multiply
    862,896.54x = 1,190,798.42 × 518,736.27
  4. Step 4: Simplify right side
    862,896.54x = 617,710,328,119.01
  5. Step 5: Solve for x
    x = 617,710,328,119.01/862,896.54
  6. Step 6: Final answer
    x = 715,856.77

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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.