Home / 899,072.46-1,239,897.51-702,864.54

Finding the Fourth Proportional to 899,072.46, 1,239,897.51 and 702,864.54

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Solution

The fourth proportional to 899,072.46, 1,239,897.51 and 702,864.54 is: 969,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,072.46 : 1,239,897.51 = 702,864.54 : x
  2. Step 2: Convert to fraction form
    899,072.46/1,239,897.51 = 702,864.54/x
  3. Step 3: Cross multiply
    899,072.46x = 1,239,897.51 × 702,864.54
  4. Step 4: Simplify right side
    899,072.46x = 871,479,993,013.30
  5. Step 5: Solve for x
    x = 871,479,993,013.30/899,072.46
  6. Step 6: Final answer
    x = 969,310.07

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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.