Home / 1,303,651.80-1,955,404.80-405,086.40

Finding the Fourth Proportional to 1,303,651.80, 1,955,404.80 and 405,086.40

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Solution

The fourth proportional to 1,303,651.80, 1,955,404.80 and 405,086.40 is: 607,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,651.80 : 1,955,404.80 = 405,086.40 : x
  2. Step 2: Convert to fraction form
    1,303,651.80/1,955,404.80 = 405,086.40/x
  3. Step 3: Cross multiply
    1,303,651.80x = 1,955,404.80 × 405,086.40
  4. Step 4: Simplify right side
    1,303,651.80x = 792,107,890,974.72
  5. Step 5: Solve for x
    x = 792,107,890,974.72/1,303,651.80
  6. Step 6: Final answer
    x = 607,606.95

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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.