Home / 629,114.76-943,683.12-208,401.66

Finding the Fourth Proportional to 629,114.76, 943,683.12 and 208,401.66

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Solution

The fourth proportional to 629,114.76, 943,683.12 and 208,401.66 is: 312,606.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,114.76 : 943,683.12 = 208,401.66 : x
  2. Step 2: Convert to fraction form
    629,114.76/943,683.12 = 208,401.66/x
  3. Step 3: Cross multiply
    629,114.76x = 943,683.12 × 208,401.66
  4. Step 4: Simplify right side
    629,114.76x = 196,665,128,721.98
  5. Step 5: Solve for x
    x = 196,665,128,721.98/629,114.76
  6. Step 6: Final answer
    x = 312,606.13

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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.