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Finding the Fourth Proportional to 1,695,991, 2,545,152.90 and 698,719

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Solution

The fourth proportional to 1,695,991, 2,545,152.90 and 698,719 is: 1,048,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,991 : 2,545,152.90 = 698,719 : x
  2. Step 2: Convert to fraction form
    1,695,991/2,545,152.90 = 698,719/x
  3. Step 3: Cross multiply
    1,695,991x = 2,545,152.90 × 698,719
  4. Step 4: Simplify right side
    1,695,991x = 1,778,346,689,135.10
  5. Step 5: Solve for x
    x = 1,778,346,689,135.10/1,695,991
  6. Step 6: Final answer
    x = 1,048,559.04

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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.