Home / 1,241,235.77-1,861,850.88-330,418.43

Finding the Fourth Proportional to 1,241,235.77, 1,861,850.88 and 330,418.43

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Solution

The fourth proportional to 1,241,235.77, 1,861,850.88 and 330,418.43 is: 495,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,235.77 : 1,861,850.88 = 330,418.43 : x
  2. Step 2: Convert to fraction form
    1,241,235.77/1,861,850.88 = 330,418.43/x
  3. Step 3: Cross multiply
    1,241,235.77x = 1,861,850.88 × 330,418.43
  4. Step 4: Simplify right side
    1,241,235.77x = 615,189,842,336.41
  5. Step 5: Solve for x
    x = 615,189,842,336.41/1,241,235.77
  6. Step 6: Final answer
    x = 495,626.91

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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.