Home / 830,466.20-1,243,625.70-548,456.60

Finding the Fourth Proportional to 830,466.20, 1,243,625.70 and 548,456.60

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Solution

The fourth proportional to 830,466.20, 1,243,625.70 and 548,456.60 is: 821,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,466.20 : 1,243,625.70 = 548,456.60 : x
  2. Step 2: Convert to fraction form
    830,466.20/1,243,625.70 = 548,456.60/x
  3. Step 3: Cross multiply
    830,466.20x = 1,243,625.70 × 548,456.60
  4. Step 4: Simplify right side
    830,466.20x = 682,074,723,094.62
  5. Step 5: Solve for x
    x = 682,074,723,094.62/830,466.20
  6. Step 6: Final answer
    x = 821,315.45

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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.