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Finding the Fourth Proportional to 1,695,993, 2,545,155.90 and 698,721

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Solution

The fourth proportional to 1,695,993, 2,545,155.90 and 698,721 is: 1,048,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,993 : 2,545,155.90 = 698,721 : x
  2. Step 2: Convert to fraction form
    1,695,993/2,545,155.90 = 698,721/x
  3. Step 3: Cross multiply
    1,695,993x = 2,545,155.90 × 698,721
  4. Step 4: Simplify right side
    1,695,993x = 1,778,353,875,603.90
  5. Step 5: Solve for x
    x = 1,778,353,875,603.90/1,695,993
  6. Step 6: Final answer
    x = 1,048,562.04

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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.