Home / 1,256,783.42-1,734,392.18-683,855.04

Finding the Fourth Proportional to 1,256,783.42, 1,734,392.18 and 683,855.04

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Solution

The fourth proportional to 1,256,783.42, 1,734,392.18 and 683,855.04 is: 943,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,783.42 : 1,734,392.18 = 683,855.04 : x
  2. Step 2: Convert to fraction form
    1,256,783.42/1,734,392.18 = 683,855.04/x
  3. Step 3: Cross multiply
    1,256,783.42x = 1,734,392.18 × 683,855.04
  4. Step 4: Simplify right side
    1,256,783.42x = 1,186,072,833,629.59
  5. Step 5: Solve for x
    x = 1,186,072,833,629.59/1,256,783.42
  6. Step 6: Final answer
    x = 943,736.86

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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.