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Finding the Fourth Proportional to 1,382,503, 1,907,854.14 and 746,599

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Solution

The fourth proportional to 1,382,503, 1,907,854.14 and 746,599 is: 1,030,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,503 : 1,907,854.14 = 746,599 : x
  2. Step 2: Convert to fraction form
    1,382,503/1,907,854.14 = 746,599/x
  3. Step 3: Cross multiply
    1,382,503x = 1,907,854.14 × 746,599
  4. Step 4: Simplify right side
    1,382,503x = 1,424,401,993,069.86
  5. Step 5: Solve for x
    x = 1,424,401,993,069.86/1,382,503
  6. Step 6: Final answer
    x = 1,030,306.62

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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.