Home / 683,412.20-1,026,155.10-525,818.60

Finding the Fourth Proportional to 683,412.20, 1,026,155.10 and 525,818.60

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Solution

The fourth proportional to 683,412.20, 1,026,155.10 and 525,818.60 is: 789,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,412.20 : 1,026,155.10 = 525,818.60 : x
  2. Step 2: Convert to fraction form
    683,412.20/1,026,155.10 = 525,818.60/x
  3. Step 3: Cross multiply
    683,412.20x = 1,026,155.10 × 525,818.60
  4. Step 4: Simplify right side
    683,412.20x = 539,571,438,064.86
  5. Step 5: Solve for x
    x = 539,571,438,064.86/683,412.20
  6. Step 6: Final answer
    x = 789,525.62

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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.