Home / 857,899.62-1,183,902.87-475,926.41

Finding the Fourth Proportional to 857,899.62, 1,183,902.87 and 475,926.41

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Solution

The fourth proportional to 857,899.62, 1,183,902.87 and 475,926.41 is: 656,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,899.62 : 1,183,902.87 = 475,926.41 : x
  2. Step 2: Convert to fraction form
    857,899.62/1,183,902.87 = 475,926.41/x
  3. Step 3: Cross multiply
    857,899.62x = 1,183,902.87 × 475,926.41
  4. Step 4: Simplify right side
    857,899.62x = 563,450,636,788.28
  5. Step 5: Solve for x
    x = 563,450,636,788.28/857,899.62
  6. Step 6: Final answer
    x = 656,779.21

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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.