Home / 1,209,633.45-1,814,450.18-985,684.65

Finding the Fourth Proportional to 1,209,633.45, 1,814,450.18 and 985,684.65

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Solution

The fourth proportional to 1,209,633.45, 1,814,450.18 and 985,684.65 is: 1,478,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,633.45 : 1,814,450.18 = 985,684.65 : x
  2. Step 2: Convert to fraction form
    1,209,633.45/1,814,450.18 = 985,684.65/x
  3. Step 3: Cross multiply
    1,209,633.45x = 1,814,450.18 × 985,684.65
  4. Step 4: Simplify right side
    1,209,633.45x = 1,788,475,685,687.31
  5. Step 5: Solve for x
    x = 1,788,475,685,687.31/1,209,633.45
  6. Step 6: Final answer
    x = 1,478,526.98

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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.