Home / 653,556.90-980,336.16-204,280.08

Finding the Fourth Proportional to 653,556.90, 980,336.16 and 204,280.08

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Solution

The fourth proportional to 653,556.90, 980,336.16 and 204,280.08 is: 306,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,556.90 : 980,336.16 = 204,280.08 : x
  2. Step 2: Convert to fraction form
    653,556.90/980,336.16 = 204,280.08/x
  3. Step 3: Cross multiply
    653,556.90x = 980,336.16 × 204,280.08
  4. Step 4: Simplify right side
    653,556.90x = 200,263,149,191.69
  5. Step 5: Solve for x
    x = 200,263,149,191.69/653,556.90
  6. Step 6: Final answer
    x = 306,420.37

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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.