Home / 1,012,168.80-1,518,269.40-264,214.80

Finding the Fourth Proportional to 1,012,168.80, 1,518,269.40 and 264,214.80

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Solution

The fourth proportional to 1,012,168.80, 1,518,269.40 and 264,214.80 is: 396,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,168.80 : 1,518,269.40 = 264,214.80 : x
  2. Step 2: Convert to fraction form
    1,012,168.80/1,518,269.40 = 264,214.80/x
  3. Step 3: Cross multiply
    1,012,168.80x = 1,518,269.40 × 264,214.80
  4. Step 4: Simplify right side
    1,012,168.80x = 401,149,245,867.12
  5. Step 5: Solve for x
    x = 401,149,245,867.12/1,012,168.80
  6. Step 6: Final answer
    x = 396,326.43

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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.