Home / 683,811.60-1,025,717.40-605,079.60

Finding the Fourth Proportional to 683,811.60, 1,025,717.40 and 605,079.60

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Solution

The fourth proportional to 683,811.60, 1,025,717.40 and 605,079.60 is: 907,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,811.60 : 1,025,717.40 = 605,079.60 : x
  2. Step 2: Convert to fraction form
    683,811.60/1,025,717.40 = 605,079.60/x
  3. Step 3: Cross multiply
    683,811.60x = 1,025,717.40 × 605,079.60
  4. Step 4: Simplify right side
    683,811.60x = 620,640,674,105.04
  5. Step 5: Solve for x
    x = 620,640,674,105.04/683,811.60
  6. Step 6: Final answer
    x = 907,619.40

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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.