Home / 1,256,688.42-1,734,273.23-683,750.31

Finding the Fourth Proportional to 1,256,688.42, 1,734,273.23 and 683,750.31

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Solution

The fourth proportional to 1,256,688.42, 1,734,273.23 and 683,750.31 is: 943,598.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,688.42 : 1,734,273.23 = 683,750.31 : x
  2. Step 2: Convert to fraction form
    1,256,688.42/1,734,273.23 = 683,750.31/x
  3. Step 3: Cross multiply
    1,256,688.42x = 1,734,273.23 × 683,750.31
  4. Step 4: Simplify right side
    1,256,688.42x = 1,185,809,855,218.45
  5. Step 5: Solve for x
    x = 1,185,809,855,218.45/1,256,688.42
  6. Step 6: Final answer
    x = 943,598.94

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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.