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Finding the Fourth Proportional to 1,795,443, 2,477,711.40 and 990,627

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Solution

The fourth proportional to 1,795,443, 2,477,711.40 and 990,627 is: 1,367,065.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795,443 : 2,477,711.40 = 990,627 : x
  2. Step 2: Convert to fraction form
    1,795,443/2,477,711.40 = 990,627/x
  3. Step 3: Cross multiply
    1,795,443x = 2,477,711.40 × 990,627
  4. Step 4: Simplify right side
    1,795,443x = 2,454,487,811,047.80
  5. Step 5: Solve for x
    x = 2,454,487,811,047.80/1,795,443
  6. Step 6: Final answer
    x = 1,367,065.29

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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.