Home / 812,061.96-1,218,087.46-634,718.13

Finding the Fourth Proportional to 812,061.96, 1,218,087.46 and 634,718.13

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Solution

The fourth proportional to 812,061.96, 1,218,087.46 and 634,718.13 is: 952,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,061.96 : 1,218,087.46 = 634,718.13 : x
  2. Step 2: Convert to fraction form
    812,061.96/1,218,087.46 = 634,718.13/x
  3. Step 3: Cross multiply
    812,061.96x = 1,218,087.46 × 634,718.13
  4. Step 4: Simplify right side
    812,061.96x = 773,142,194,787.65
  5. Step 5: Solve for x
    x = 773,142,194,787.65/812,061.96
  6. Step 6: Final answer
    x = 952,072.91

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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.