Home / 741,943.52-1,112,786.04-342,550.16

Finding the Fourth Proportional to 741,943.52, 1,112,786.04 and 342,550.16

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Solution

The fourth proportional to 741,943.52, 1,112,786.04 and 342,550.16 is: 513,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,943.52 : 1,112,786.04 = 342,550.16 : x
  2. Step 2: Convert to fraction form
    741,943.52/1,112,786.04 = 342,550.16/x
  3. Step 3: Cross multiply
    741,943.52x = 1,112,786.04 × 342,550.16
  4. Step 4: Simplify right side
    741,943.52x = 381,185,036,047.77
  5. Step 5: Solve for x
    x = 381,185,036,047.77/741,943.52
  6. Step 6: Final answer
    x = 513,765.57

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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.