Home / 653,739.30-980,414.55-254,150.10

Finding the Fourth Proportional to 653,739.30, 980,414.55 and 254,150.10

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Solution

The fourth proportional to 653,739.30, 980,414.55 and 254,150.10 is: 381,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,739.30 : 980,414.55 = 254,150.10 : x
  2. Step 2: Convert to fraction form
    653,739.30/980,414.55 = 254,150.10/x
  3. Step 3: Cross multiply
    653,739.30x = 980,414.55 × 254,150.10
  4. Step 4: Simplify right side
    653,739.30x = 249,172,455,923.96
  5. Step 5: Solve for x
    x = 249,172,455,923.96/653,739.30
  6. Step 6: Final answer
    x = 381,149.57

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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.