Home / 1,081,207.98-1,620,237.33-519,586.38

Finding the Fourth Proportional to 1,081,207.98, 1,620,237.33 and 519,586.38

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Solution

The fourth proportional to 1,081,207.98, 1,620,237.33 and 519,586.38 is: 778,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,207.98 : 1,620,237.33 = 519,586.38 : x
  2. Step 2: Convert to fraction form
    1,081,207.98/1,620,237.33 = 519,586.38/x
  3. Step 3: Cross multiply
    1,081,207.98x = 1,620,237.33 × 519,586.38
  4. Step 4: Simplify right side
    1,081,207.98x = 841,853,249,035.57
  5. Step 5: Solve for x
    x = 841,853,249,035.57/1,081,207.98
  6. Step 6: Final answer
    x = 778,622.86

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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.