Home / 763,653.44-1,053,780.09-441,384.41

Finding the Fourth Proportional to 763,653.44, 1,053,780.09 and 441,384.41

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Solution

The fourth proportional to 763,653.44, 1,053,780.09 and 441,384.41 is: 609,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,653.44 : 1,053,780.09 = 441,384.41 : x
  2. Step 2: Convert to fraction form
    763,653.44/1,053,780.09 = 441,384.41/x
  3. Step 3: Cross multiply
    763,653.44x = 1,053,780.09 × 441,384.41
  4. Step 4: Simplify right side
    763,653.44x = 465,122,103,294.40
  5. Step 5: Solve for x
    x = 465,122,103,294.40/763,653.44
  6. Step 6: Final answer
    x = 609,074.85

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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.