Home / 994,721.72-1,492,523.62-521,294.52

Finding the Fourth Proportional to 994,721.72, 1,492,523.62 and 521,294.52

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Solution

The fourth proportional to 994,721.72, 1,492,523.62 and 521,294.52 is: 782,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,721.72 : 1,492,523.62 = 521,294.52 : x
  2. Step 2: Convert to fraction form
    994,721.72/1,492,523.62 = 521,294.52/x
  3. Step 3: Cross multiply
    994,721.72x = 1,492,523.62 × 521,294.52
  4. Step 4: Simplify right side
    994,721.72x = 778,044,384,076.56
  5. Step 5: Solve for x
    x = 778,044,384,076.56/994,721.72
  6. Step 6: Final answer
    x = 782,172.91

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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.