Home / 1,257,007.77-1,734,667.52-684,047.79

Finding the Fourth Proportional to 1,257,007.77, 1,734,667.52 and 684,047.79

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Solution

The fourth proportional to 1,257,007.77, 1,734,667.52 and 684,047.79 is: 943,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,007.77 : 1,734,667.52 = 684,047.79 : x
  2. Step 2: Convert to fraction form
    1,257,007.77/1,734,667.52 = 684,047.79/x
  3. Step 3: Cross multiply
    1,257,007.77x = 1,734,667.52 × 684,047.79
  4. Step 4: Simplify right side
    1,257,007.77x = 1,186,595,480,020.54
  5. Step 5: Solve for x
    x = 1,186,595,480,020.54/1,257,007.77
  6. Step 6: Final answer
    x = 943,984.20

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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.