Home / 1,257,521.78-1,735,619.24-713,708.48

Finding the Fourth Proportional to 1,257,521.78, 1,735,619.24 and 713,708.48

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Solution

The fourth proportional to 1,257,521.78, 1,735,619.24 and 713,708.48 is: 985,053.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,521.78 : 1,735,619.24 = 713,708.48 : x
  2. Step 2: Convert to fraction form
    1,257,521.78/1,735,619.24 = 713,708.48/x
  3. Step 3: Cross multiply
    1,257,521.78x = 1,735,619.24 × 713,708.48
  4. Step 4: Simplify right side
    1,257,521.78x = 1,238,726,169,639.16
  5. Step 5: Solve for x
    x = 1,238,726,169,639.16/1,257,521.78
  6. Step 6: Final answer
    x = 985,053.45

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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.