Home / 689,005.98-1,029,556.44-525,997.94

Finding the Fourth Proportional to 689,005.98, 1,029,556.44 and 525,997.94

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Solution

The fourth proportional to 689,005.98, 1,029,556.44 and 525,997.94 is: 785,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,005.98 : 1,029,556.44 = 525,997.94 : x
  2. Step 2: Convert to fraction form
    689,005.98/1,029,556.44 = 525,997.94/x
  3. Step 3: Cross multiply
    689,005.98x = 1,029,556.44 × 525,997.94
  4. Step 4: Simplify right side
    689,005.98x = 541,544,561,405.95
  5. Step 5: Solve for x
    x = 541,544,561,405.95/689,005.98
  6. Step 6: Final answer
    x = 785,979.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.