Home / 1,885,015.40-2,826,588.78-670,409.96

Finding the Fourth Proportional to 1,885,015.40, 2,826,588.78 and 670,409.96

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Solution

The fourth proportional to 1,885,015.40, 2,826,588.78 and 670,409.96 is: 1,005,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,015.40 : 2,826,588.78 = 670,409.96 : x
  2. Step 2: Convert to fraction form
    1,885,015.40/2,826,588.78 = 670,409.96/x
  3. Step 3: Cross multiply
    1,885,015.40x = 2,826,588.78 × 670,409.96
  4. Step 4: Simplify right side
    1,885,015.40x = 1,894,973,270,936.25
  5. Step 5: Solve for x
    x = 1,894,973,270,936.25/1,885,015.40
  6. Step 6: Final answer
    x = 1,005,282.65

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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.