Home / 1,216,788.42-1,678,660.62-700,418.76

Finding the Fourth Proportional to 1,216,788.42, 1,678,660.62 and 700,418.76

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Solution

The fourth proportional to 1,216,788.42, 1,678,660.62 and 700,418.76 is: 966,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,788.42 : 1,678,660.62 = 700,418.76 : x
  2. Step 2: Convert to fraction form
    1,216,788.42/1,678,660.62 = 700,418.76/x
  3. Step 3: Cross multiply
    1,216,788.42x = 1,678,660.62 × 700,418.76
  4. Step 4: Simplify right side
    1,216,788.42x = 1,175,765,389,921.23
  5. Step 5: Solve for x
    x = 1,175,765,389,921.23/1,216,788.42
  6. Step 6: Final answer
    x = 966,285.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.