Home / 683,090.70-1,025,255.70-346,365.60

Finding the Fourth Proportional to 683,090.70, 1,025,255.70 and 346,365.60

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Solution

The fourth proportional to 683,090.70, 1,025,255.70 and 346,365.60 is: 519,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,090.70 : 1,025,255.70 = 346,365.60 : x
  2. Step 2: Convert to fraction form
    683,090.70/1,025,255.70 = 346,365.60/x
  3. Step 3: Cross multiply
    683,090.70x = 1,025,255.70 × 346,365.60
  4. Step 4: Simplify right side
    683,090.70x = 355,113,305,683.92
  5. Step 5: Solve for x
    x = 355,113,305,683.92/683,090.70
  6. Step 6: Final answer
    x = 519,862.60

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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.