Home / 811,094.20-1,119,317.24-448,542.45

Finding the Fourth Proportional to 811,094.20, 1,119,317.24 and 448,542.45

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Solution

The fourth proportional to 811,094.20, 1,119,317.24 and 448,542.45 is: 618,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,094.20 : 1,119,317.24 = 448,542.45 : x
  2. Step 2: Convert to fraction form
    811,094.20/1,119,317.24 = 448,542.45/x
  3. Step 3: Cross multiply
    811,094.20x = 1,119,317.24 × 448,542.45
  4. Step 4: Simplify right side
    811,094.20x = 502,061,297,156.84
  5. Step 5: Solve for x
    x = 502,061,297,156.84/811,094.20
  6. Step 6: Final answer
    x = 618,992.59

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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.