Home / 1,372,365.51-1,893,868.86-760,528.37

Finding the Fourth Proportional to 1,372,365.51, 1,893,868.86 and 760,528.37

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Solution

The fourth proportional to 1,372,365.51, 1,893,868.86 and 760,528.37 is: 1,049,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,365.51 : 1,893,868.86 = 760,528.37 : x
  2. Step 2: Convert to fraction form
    1,372,365.51/1,893,868.86 = 760,528.37/x
  3. Step 3: Cross multiply
    1,372,365.51x = 1,893,868.86 × 760,528.37
  4. Step 4: Simplify right side
    1,372,365.51x = 1,440,340,987,620.21
  5. Step 5: Solve for x
    x = 1,440,340,987,620.21/1,372,365.51
  6. Step 6: Final answer
    x = 1,049,531.61

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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.