Home / 1,256,012.28-1,733,280.58-683,040.12

Finding the Fourth Proportional to 1,256,012.28, 1,733,280.58 and 683,040.12

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Solution

The fourth proportional to 1,256,012.28, 1,733,280.58 and 683,040.12 is: 942,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,012.28 : 1,733,280.58 = 683,040.12 : x
  2. Step 2: Convert to fraction form
    1,256,012.28/1,733,280.58 = 683,040.12/x
  3. Step 3: Cross multiply
    1,256,012.28x = 1,733,280.58 × 683,040.12
  4. Step 4: Simplify right side
    1,256,012.28x = 1,183,900,175,356.87
  5. Step 5: Solve for x
    x = 1,183,900,175,356.87/1,256,012.28
  6. Step 6: Final answer
    x = 942,586.47

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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.