Home / 683,217.01-942,828.75-377,285.79

Finding the Fourth Proportional to 683,217.01, 942,828.75 and 377,285.79

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Solution

The fourth proportional to 683,217.01, 942,828.75 and 377,285.79 is: 520,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,217.01 : 942,828.75 = 377,285.79 : x
  2. Step 2: Convert to fraction form
    683,217.01/942,828.75 = 377,285.79/x
  3. Step 3: Cross multiply
    683,217.01x = 942,828.75 × 377,285.79
  4. Step 4: Simplify right side
    683,217.01x = 355,715,889,778.46
  5. Step 5: Solve for x
    x = 355,715,889,778.46/683,217.01
  6. Step 6: Final answer
    x = 520,648.47

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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.