Home / 947,611.44-1,307,706.12-517,896.72

Finding the Fourth Proportional to 947,611.44, 1,307,706.12 and 517,896.72

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Solution

The fourth proportional to 947,611.44, 1,307,706.12 and 517,896.72 is: 714,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,611.44 : 1,307,706.12 = 517,896.72 : x
  2. Step 2: Convert to fraction form
    947,611.44/1,307,706.12 = 517,896.72/x
  3. Step 3: Cross multiply
    947,611.44x = 1,307,706.12 × 517,896.72
  4. Step 4: Simplify right side
    947,611.44x = 677,256,710,271.93
  5. Step 5: Solve for x
    x = 677,256,710,271.93/947,611.44
  6. Step 6: Final answer
    x = 714,698.75

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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.