Home / 644,582.10-966,644.51-189,046.79

Finding the Fourth Proportional to 644,582.10, 966,644.51 and 189,046.79

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Solution

The fourth proportional to 644,582.10, 966,644.51 and 189,046.79 is: 283,503.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,582.10 : 966,644.51 = 189,046.79 : x
  2. Step 2: Convert to fraction form
    644,582.10/966,644.51 = 189,046.79/x
  3. Step 3: Cross multiply
    644,582.10x = 966,644.51 × 189,046.79
  4. Step 4: Simplify right side
    644,582.10x = 182,741,037,346.09
  5. Step 5: Solve for x
    x = 182,741,037,346.09/644,582.10
  6. Step 6: Final answer
    x = 283,503.12

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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.