Home / 1,243,920.53-1,865,015.06-551,111.33

Finding the Fourth Proportional to 1,243,920.53, 1,865,015.06 and 551,111.33

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Solution

The fourth proportional to 1,243,920.53, 1,865,015.06 and 551,111.33 is: 826,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,920.53 : 1,865,015.06 = 551,111.33 : x
  2. Step 2: Convert to fraction form
    1,243,920.53/1,865,015.06 = 551,111.33/x
  3. Step 3: Cross multiply
    1,243,920.53x = 1,865,015.06 × 551,111.33
  4. Step 4: Simplify right side
    1,243,920.53x = 1,027,830,930,186.63
  5. Step 5: Solve for x
    x = 1,027,830,930,186.63/1,243,920.53
  6. Step 6: Final answer
    x = 826,283.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.