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Finding the Fourth Proportional to 1,411,723, 1,948,440.18 and 808,111

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Solution

The fourth proportional to 1,411,723, 1,948,440.18 and 808,111 is: 1,115,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,723 : 1,948,440.18 = 808,111 : x
  2. Step 2: Convert to fraction form
    1,411,723/1,948,440.18 = 808,111/x
  3. Step 3: Cross multiply
    1,411,723x = 1,948,440.18 × 808,111
  4. Step 4: Simplify right side
    1,411,723x = 1,574,555,942,299.98
  5. Step 5: Solve for x
    x = 1,574,555,942,299.98/1,411,723
  6. Step 6: Final answer
    x = 1,115,343.41

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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.