Home / 1,721,039.40-2,374,992.90-936,085.14

Finding the Fourth Proportional to 1,721,039.40, 2,374,992.90 and 936,085.14

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Solution

The fourth proportional to 1,721,039.40, 2,374,992.90 and 936,085.14 is: 1,291,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,039.40 : 2,374,992.90 = 936,085.14 : x
  2. Step 2: Convert to fraction form
    1,721,039.40/2,374,992.90 = 936,085.14/x
  3. Step 3: Cross multiply
    1,721,039.40x = 2,374,992.90 × 936,085.14
  4. Step 4: Simplify right side
    1,721,039.40x = 2,223,195,561,295.51
  5. Step 5: Solve for x
    x = 2,223,195,561,295.51/1,721,039.40
  6. Step 6: Final answer
    x = 1,291,774.94

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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.