Home / 945,969.45-1,418,110.28-346,790.69

Finding the Fourth Proportional to 945,969.45, 1,418,110.28 and 346,790.69

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Solution

The fourth proportional to 945,969.45, 1,418,110.28 and 346,790.69 is: 519,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,969.45 : 1,418,110.28 = 346,790.69 : x
  2. Step 2: Convert to fraction form
    945,969.45/1,418,110.28 = 346,790.69/x
  3. Step 3: Cross multiply
    945,969.45x = 1,418,110.28 × 346,790.69
  4. Step 4: Simplify right side
    945,969.45x = 491,787,433,672.79
  5. Step 5: Solve for x
    x = 491,787,433,672.79/945,969.45
  6. Step 6: Final answer
    x = 519,876.66

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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.