Home / 1,328,252.72-1,993,336.59-529,071.98

Finding the Fourth Proportional to 1,328,252.72, 1,993,336.59 and 529,071.98

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Solution

The fourth proportional to 1,328,252.72, 1,993,336.59 and 529,071.98 is: 793,989.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,252.72 : 1,993,336.59 = 529,071.98 : x
  2. Step 2: Convert to fraction form
    1,328,252.72/1,993,336.59 = 529,071.98/x
  3. Step 3: Cross multiply
    1,328,252.72x = 1,993,336.59 × 529,071.98
  4. Step 4: Simplify right side
    1,328,252.72x = 1,054,618,536,477.75
  5. Step 5: Solve for x
    x = 1,054,618,536,477.75/1,328,252.72
  6. Step 6: Final answer
    x = 793,989.37

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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.