Home / 746,057.34-1,029,560.40-406,525.56

Finding the Fourth Proportional to 746,057.34, 1,029,560.40 and 406,525.56

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Solution

The fourth proportional to 746,057.34, 1,029,560.40 and 406,525.56 is: 561,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,057.34 : 1,029,560.40 = 406,525.56 : x
  2. Step 2: Convert to fraction form
    746,057.34/1,029,560.40 = 406,525.56/x
  3. Step 3: Cross multiply
    746,057.34x = 1,029,560.40 × 406,525.56
  4. Step 4: Simplify right side
    746,057.34x = 418,542,618,163.82
  5. Step 5: Solve for x
    x = 418,542,618,163.82/746,057.34
  6. Step 6: Final answer
    x = 561,005.97

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Double scale
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1.5x scale

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.