Home / 740,992.08-1,022,004.86-637,801.89

Finding the Fourth Proportional to 740,992.08, 1,022,004.86 and 637,801.89

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Solution

The fourth proportional to 740,992.08, 1,022,004.86 and 637,801.89 is: 879,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,992.08 : 1,022,004.86 = 637,801.89 : x
  2. Step 2: Convert to fraction form
    740,992.08/1,022,004.86 = 637,801.89/x
  3. Step 3: Cross multiply
    740,992.08x = 1,022,004.86 × 637,801.89
  4. Step 4: Simplify right side
    740,992.08x = 651,836,631,297.19
  5. Step 5: Solve for x
    x = 651,836,631,297.19/740,992.08
  6. Step 6: Final answer
    x = 879,680.97

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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.