Home / 644,218.60-966,326.86-164,446.36

Finding the Fourth Proportional to 644,218.60, 966,326.86 and 164,446.36

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Solution

The fourth proportional to 644,218.60, 966,326.86 and 164,446.36 is: 246,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,218.60 : 966,326.86 = 164,446.36 : x
  2. Step 2: Convert to fraction form
    644,218.60/966,326.86 = 164,446.36/x
  3. Step 3: Cross multiply
    644,218.60x = 966,326.86 × 164,446.36
  4. Step 4: Simplify right side
    644,218.60x = 158,908,934,697.23
  5. Step 5: Solve for x
    x = 158,908,934,697.23/644,218.60
  6. Step 6: Final answer
    x = 246,669.27

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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.