Home / 782,637.07-1,174,481.70-277,196.26

Finding the Fourth Proportional to 782,637.07, 1,174,481.70 and 277,196.26

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Solution

The fourth proportional to 782,637.07, 1,174,481.70 and 277,196.26 is: 415,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,637.07 : 1,174,481.70 = 277,196.26 : x
  2. Step 2: Convert to fraction form
    782,637.07/1,174,481.70 = 277,196.26/x
  3. Step 3: Cross multiply
    782,637.07x = 1,174,481.70 × 277,196.26
  4. Step 4: Simplify right side
    782,637.07x = 325,561,934,678.44
  5. Step 5: Solve for x
    x = 325,561,934,678.44/782,637.07
  6. Step 6: Final answer
    x = 415,980.72

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1.5x scale

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.