Home / 644,816.64-966,308.37-475,001.56

Finding the Fourth Proportional to 644,816.64, 966,308.37 and 475,001.56

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Solution

The fourth proportional to 644,816.64, 966,308.37 and 475,001.56 is: 711,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,816.64 : 966,308.37 = 475,001.56 : x
  2. Step 2: Convert to fraction form
    644,816.64/966,308.37 = 475,001.56/x
  3. Step 3: Cross multiply
    644,816.64x = 966,308.37 × 475,001.56
  4. Step 4: Simplify right side
    644,816.64x = 458,997,983,191.06
  5. Step 5: Solve for x
    x = 458,997,983,191.06/644,816.64
  6. Step 6: Final answer
    x = 711,827.14

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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.