Home / 447,083.05-670,920.02-210,493.39

Finding the Fourth Proportional to 447,083.05, 670,920.02 and 210,493.39

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Solution

The fourth proportional to 447,083.05, 670,920.02 and 210,493.39 is: 315,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,083.05 : 670,920.02 = 210,493.39 : x
  2. Step 2: Convert to fraction form
    447,083.05/670,920.02 = 210,493.39/x
  3. Step 3: Cross multiply
    447,083.05x = 670,920.02 × 210,493.39
  4. Step 4: Simplify right side
    447,083.05x = 141,224,225,021.60
  5. Step 5: Solve for x
    x = 141,224,225,021.60/447,083.05
  6. Step 6: Final answer
    x = 315,879.18

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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.