Home / 1,409,450.25-1,945,042.59-764,870.44

Finding the Fourth Proportional to 1,409,450.25, 1,945,042.59 and 764,870.44

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Solution

The fourth proportional to 1,409,450.25, 1,945,042.59 and 764,870.44 is: 1,055,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,450.25 : 1,945,042.59 = 764,870.44 : x
  2. Step 2: Convert to fraction form
    1,409,450.25/1,945,042.59 = 764,870.44/x
  3. Step 3: Cross multiply
    1,409,450.25x = 1,945,042.59 × 764,870.44
  4. Step 4: Simplify right side
    1,409,450.25x = 1,487,705,581,632.04
  5. Step 5: Solve for x
    x = 1,487,705,581,632.04/1,409,450.25
  6. Step 6: Final answer
    x = 1,055,521.88

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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.