Home / 1,378,333.02-1,901,820.87-805,262.48

Finding the Fourth Proportional to 1,378,333.02, 1,901,820.87 and 805,262.48

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Solution

The fourth proportional to 1,378,333.02, 1,901,820.87 and 805,262.48 is: 1,111,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,333.02 : 1,901,820.87 = 805,262.48 : x
  2. Step 2: Convert to fraction form
    1,378,333.02/1,901,820.87 = 805,262.48/x
  3. Step 3: Cross multiply
    1,378,333.02x = 1,901,820.87 × 805,262.48
  4. Step 4: Simplify right side
    1,378,333.02x = 1,531,464,987,914.68
  5. Step 5: Solve for x
    x = 1,531,464,987,914.68/1,378,333.02
  6. Step 6: Final answer
    x = 1,111,099.39

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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.