Home / 1,113,785.70-1,670,676.66-403,812.60

Finding the Fourth Proportional to 1,113,785.70, 1,670,676.66 and 403,812.60

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Solution

The fourth proportional to 1,113,785.70, 1,670,676.66 and 403,812.60 is: 605,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,785.70 : 1,670,676.66 = 403,812.60 : x
  2. Step 2: Convert to fraction form
    1,113,785.70/1,670,676.66 = 403,812.60/x
  3. Step 3: Cross multiply
    1,113,785.70x = 1,670,676.66 × 403,812.60
  4. Step 4: Simplify right side
    1,113,785.70x = 674,640,285,833.92
  5. Step 5: Solve for x
    x = 674,640,285,833.92/1,113,785.70
  6. Step 6: Final answer
    x = 605,718.21

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1.5x scale

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.