Home / 1,215,365.51-1,677,238.22-671,536.34

Finding the Fourth Proportional to 1,215,365.51, 1,677,238.22 and 671,536.34

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Solution

The fourth proportional to 1,215,365.51, 1,677,238.22 and 671,536.34 is: 926,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,365.51 : 1,677,238.22 = 671,536.34 : x
  2. Step 2: Convert to fraction form
    1,215,365.51/1,677,238.22 = 671,536.34/x
  3. Step 3: Cross multiply
    1,215,365.51x = 1,677,238.22 × 671,536.34
  4. Step 4: Simplify right side
    1,215,365.51x = 1,126,326,403,823.04
  5. Step 5: Solve for x
    x = 1,126,326,403,823.04/1,215,365.51
  6. Step 6: Final answer
    x = 926,738.83

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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.