Home / 1,298,743.98-1,792,111.41-717,888.66

Finding the Fourth Proportional to 1,298,743.98, 1,792,111.41 and 717,888.66

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Solution

The fourth proportional to 1,298,743.98, 1,792,111.41 and 717,888.66 is: 990,600.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,743.98 : 1,792,111.41 = 717,888.66 : x
  2. Step 2: Convert to fraction form
    1,298,743.98/1,792,111.41 = 717,888.66/x
  3. Step 3: Cross multiply
    1,298,743.98x = 1,792,111.41 × 717,888.66
  4. Step 4: Simplify right side
    1,298,743.98x = 1,286,536,458,695.61
  5. Step 5: Solve for x
    x = 1,286,536,458,695.61/1,298,743.98
  6. Step 6: Final answer
    x = 990,600.52

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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.