Home / 824,102.84-1,137,207.79-461,443.56

Finding the Fourth Proportional to 824,102.84, 1,137,207.79 and 461,443.56

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Solution

The fourth proportional to 824,102.84, 1,137,207.79 and 461,443.56 is: 636,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,102.84 : 1,137,207.79 = 461,443.56 : x
  2. Step 2: Convert to fraction form
    824,102.84/1,137,207.79 = 461,443.56/x
  3. Step 3: Cross multiply
    824,102.84x = 1,137,207.79 × 461,443.56
  4. Step 4: Simplify right side
    824,102.84x = 524,757,211,077.33
  5. Step 5: Solve for x
    x = 524,757,211,077.33/824,102.84
  6. Step 6: Final answer
    x = 636,761.80

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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.