Home / 551,452.20-826,983.90-196,477.80

Finding the Fourth Proportional to 551,452.20, 826,983.90 and 196,477.80

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Solution

The fourth proportional to 551,452.20, 826,983.90 and 196,477.80 is: 294,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,452.20 : 826,983.90 = 196,477.80 : x
  2. Step 2: Convert to fraction form
    551,452.20/826,983.90 = 196,477.80/x
  3. Step 3: Cross multiply
    551,452.20x = 826,983.90 × 196,477.80
  4. Step 4: Simplify right side
    551,452.20x = 162,483,977,307.42
  5. Step 5: Solve for x
    x = 162,483,977,307.42/551,452.20
  6. Step 6: Final answer
    x = 294,647.44

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1.5x scale

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.