Home / 734,786.07-1,013,995.87-412,487.88

Finding the Fourth Proportional to 734,786.07, 1,013,995.87 and 412,487.88

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Solution

The fourth proportional to 734,786.07, 1,013,995.87 and 412,487.88 is: 569,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,786.07 : 1,013,995.87 = 412,487.88 : x
  2. Step 2: Convert to fraction form
    734,786.07/1,013,995.87 = 412,487.88/x
  3. Step 3: Cross multiply
    734,786.07x = 1,013,995.87 × 412,487.88
  4. Step 4: Simplify right side
    734,786.07x = 418,261,006,745.06
  5. Step 5: Solve for x
    x = 418,261,006,745.06/734,786.07
  6. Step 6: Final answer
    x = 569,228.27

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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.