Home / 1,565,999.70-2,161,231.26-877,788.46

Finding the Fourth Proportional to 1,565,999.70, 2,161,231.26 and 877,788.46

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Solution

The fourth proportional to 1,565,999.70, 2,161,231.26 and 877,788.46 is: 1,211,433.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,999.70 : 2,161,231.26 = 877,788.46 : x
  2. Step 2: Convert to fraction form
    1,565,999.70/2,161,231.26 = 877,788.46/x
  3. Step 3: Cross multiply
    1,565,999.70x = 2,161,231.26 × 877,788.46
  4. Step 4: Simplify right side
    1,565,999.70x = 1,897,103,859,419.26
  5. Step 5: Solve for x
    x = 1,897,103,859,419.26/1,565,999.70
  6. Step 6: Final answer
    x = 1,211,433.09

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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.