Home / 903,389.77-1,355,365.32-543,956.32

Finding the Fourth Proportional to 903,389.77, 1,355,365.32 and 543,956.32

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Solution

The fourth proportional to 903,389.77, 1,355,365.32 and 543,956.32 is: 816,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,389.77 : 1,355,365.32 = 543,956.32 : x
  2. Step 2: Convert to fraction form
    903,389.77/1,355,365.32 = 543,956.32/x
  3. Step 3: Cross multiply
    903,389.77x = 1,355,365.32 × 543,956.32
  4. Step 4: Simplify right side
    903,389.77x = 737,259,531,722.82
  5. Step 5: Solve for x
    x = 737,259,531,722.82/903,389.77
  6. Step 6: Final answer
    x = 816,103.48

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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.