Home / 947,286.54-1,307,240.15-517,557.44

Finding the Fourth Proportional to 947,286.54, 1,307,240.15 and 517,557.44

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Solution

The fourth proportional to 947,286.54, 1,307,240.15 and 517,557.44 is: 714,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,286.54 : 1,307,240.15 = 517,557.44 : x
  2. Step 2: Convert to fraction form
    947,286.54/1,307,240.15 = 517,557.44/x
  3. Step 3: Cross multiply
    947,286.54x = 1,307,240.15 × 517,557.44
  4. Step 4: Simplify right side
    947,286.54x = 676,571,856,375.23
  5. Step 5: Solve for x
    x = 676,571,856,375.23/947,286.54
  6. Step 6: Final answer
    x = 714,220.91

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1.5x scale

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.