Home / 947,635.41-1,307,733.73-517,915.42

Finding the Fourth Proportional to 947,635.41, 1,307,733.73 and 517,915.42

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Solution

The fourth proportional to 947,635.41, 1,307,733.73 and 517,915.42 is: 714,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,635.41 : 1,307,733.73 = 517,915.42 : x
  2. Step 2: Convert to fraction form
    947,635.41/1,307,733.73 = 517,915.42/x
  3. Step 3: Cross multiply
    947,635.41x = 1,307,733.73 × 517,915.42
  4. Step 4: Simplify right side
    947,635.41x = 677,295,464,021.12
  5. Step 5: Solve for x
    x = 677,295,464,021.12/947,635.41
  6. Step 6: Final answer
    x = 714,721.57

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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.