Home / 1,211,687.40-1,693,044.60-1,211,687.40

Finding the Fourth Proportional to 1,211,687.40, 1,693,044.60 and 1,211,687.40

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Solution

The fourth proportional to 1,211,687.40, 1,693,044.60 and 1,211,687.40 is: 1,693,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,687.40 : 1,693,044.60 = 1,211,687.40 : x
  2. Step 2: Convert to fraction form
    1,211,687.40/1,693,044.60 = 1,211,687.40/x
  3. Step 3: Cross multiply
    1,211,687.40x = 1,693,044.60 × 1,211,687.40
  4. Step 4: Simplify right side
    1,211,687.40x = 2,051,440,809,458.04
  5. Step 5: Solve for x
    x = 2,051,440,809,458.04/1,211,687.40
  6. Step 6: Final answer
    x = 1,693,044.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.