Home / 1,081,208.98-1,620,238.83-519,587.38

Finding the Fourth Proportional to 1,081,208.98, 1,620,238.83 and 519,587.38

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Solution

The fourth proportional to 1,081,208.98, 1,620,238.83 and 519,587.38 is: 778,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,208.98 : 1,620,238.83 = 519,587.38 : x
  2. Step 2: Convert to fraction form
    1,081,208.98/1,620,238.83 = 519,587.38/x
  3. Step 3: Cross multiply
    1,081,208.98x = 1,620,238.83 × 519,587.38
  4. Step 4: Simplify right side
    1,081,208.98x = 841,855,648,653.97
  5. Step 5: Solve for x
    x = 841,855,648,653.97/1,081,208.98
  6. Step 6: Final answer
    x = 778,624.36

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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.