Home / 1,115,529.96-1,673,495.82-406,553.16

Finding the Fourth Proportional to 1,115,529.96, 1,673,495.82 and 406,553.16

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Solution

The fourth proportional to 1,115,529.96, 1,673,495.82 and 406,553.16 is: 609,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,529.96 : 1,673,495.82 = 406,553.16 : x
  2. Step 2: Convert to fraction form
    1,115,529.96/1,673,495.82 = 406,553.16/x
  3. Step 3: Cross multiply
    1,115,529.96x = 1,673,495.82 × 406,553.16
  4. Step 4: Simplify right side
    1,115,529.96x = 680,365,013,867.79
  5. Step 5: Solve for x
    x = 680,365,013,867.79/1,115,529.96
  6. Step 6: Final answer
    x = 609,902.95

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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.