Home / 1,227,153.96-1,693,586.82-717,824.04

Finding the Fourth Proportional to 1,227,153.96, 1,693,586.82 and 717,824.04

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Solution

The fourth proportional to 1,227,153.96, 1,693,586.82 and 717,824.04 is: 990,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,153.96 : 1,693,586.82 = 717,824.04 : x
  2. Step 2: Convert to fraction form
    1,227,153.96/1,693,586.82 = 717,824.04/x
  3. Step 3: Cross multiply
    1,227,153.96x = 1,693,586.82 × 717,824.04
  4. Step 4: Simplify right side
    1,227,153.96x = 1,215,697,333,223.15
  5. Step 5: Solve for x
    x = 1,215,697,333,223.15/1,227,153.96
  6. Step 6: Final answer
    x = 990,664.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.