Home / 1,081,210.98-1,620,241.82-519,589.38

Finding the Fourth Proportional to 1,081,210.98, 1,620,241.82 and 519,589.38

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Solution

The fourth proportional to 1,081,210.98, 1,620,241.82 and 519,589.38 is: 778,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,210.98 : 1,620,241.82 = 519,589.38 : x
  2. Step 2: Convert to fraction form
    1,081,210.98/1,620,241.82 = 519,589.38/x
  3. Step 3: Cross multiply
    1,081,210.98x = 1,620,241.82 × 519,589.38
  4. Step 4: Simplify right side
    1,081,210.98x = 841,860,442,703.87
  5. Step 5: Solve for x
    x = 841,860,442,703.87/1,081,210.98
  6. Step 6: Final answer
    x = 778,627.35

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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.