Home / 1,644,661.50-2,467,355.13-698,840.70

Finding the Fourth Proportional to 1,644,661.50, 2,467,355.13 and 698,840.70

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Solution

The fourth proportional to 1,644,661.50, 2,467,355.13 and 698,840.70 is: 1,048,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,661.50 : 2,467,355.13 = 698,840.70 : x
  2. Step 2: Convert to fraction form
    1,644,661.50/2,467,355.13 = 698,840.70/x
  3. Step 3: Cross multiply
    1,644,661.50x = 2,467,355.13 × 698,840.70
  4. Step 4: Simplify right side
    1,644,661.50x = 1,724,288,186,197.79
  5. Step 5: Solve for x
    x = 1,724,288,186,197.79/1,644,661.50
  6. Step 6: Final answer
    x = 1,048,415.24

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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.