Home / 682,909.43-942,467.15-377,044.70

Finding the Fourth Proportional to 682,909.43, 942,467.15 and 377,044.70

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Solution

The fourth proportional to 682,909.43, 942,467.15 and 377,044.70 is: 520,350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,909.43 : 942,467.15 = 377,044.70 : x
  2. Step 2: Convert to fraction form
    682,909.43/942,467.15 = 377,044.70/x
  3. Step 3: Cross multiply
    682,909.43x = 942,467.15 × 377,044.70
  4. Step 4: Simplify right side
    682,909.43x = 355,352,241,946.38
  5. Step 5: Solve for x
    x = 355,352,241,946.38/682,909.43
  6. Step 6: Final answer
    x = 520,350.47

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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.