Home / 683,491.20-1,026,273.60-525,897.60

Finding the Fourth Proportional to 683,491.20, 1,026,273.60 and 525,897.60

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Solution

The fourth proportional to 683,491.20, 1,026,273.60 and 525,897.60 is: 789,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,491.20 : 1,026,273.60 = 525,897.60 : x
  2. Step 2: Convert to fraction form
    683,491.20/1,026,273.60 = 525,897.60/x
  3. Step 3: Cross multiply
    683,491.20x = 1,026,273.60 × 525,897.60
  4. Step 4: Simplify right side
    683,491.20x = 539,714,823,183.36
  5. Step 5: Solve for x
    x = 539,714,823,183.36/683,491.20
  6. Step 6: Final answer
    x = 789,644.14

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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.