Home / 439,268.94-659,442.06-289,634.40

Finding the Fourth Proportional to 439,268.94, 659,442.06 and 289,634.40

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Solution

The fourth proportional to 439,268.94, 659,442.06 and 289,634.40 is: 434,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,268.94 : 659,442.06 = 289,634.40 : x
  2. Step 2: Convert to fraction form
    439,268.94/659,442.06 = 289,634.40/x
  3. Step 3: Cross multiply
    439,268.94x = 659,442.06 × 289,634.40
  4. Step 4: Simplify right side
    439,268.94x = 190,997,105,382.86
  5. Step 5: Solve for x
    x = 190,997,105,382.86/439,268.94
  6. Step 6: Final answer
    x = 434,806.76

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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.