Home / 1,191,984.10-1,644,958.60-648,123.56

Finding the Fourth Proportional to 1,191,984.10, 1,644,958.60 and 648,123.56

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Solution

The fourth proportional to 1,191,984.10, 1,644,958.60 and 648,123.56 is: 894,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,984.10 : 1,644,958.60 = 648,123.56 : x
  2. Step 2: Convert to fraction form
    1,191,984.10/1,644,958.60 = 648,123.56/x
  3. Step 3: Cross multiply
    1,191,984.10x = 1,644,958.60 × 648,123.56
  4. Step 4: Simplify right side
    1,191,984.10x = 1,066,136,412,419.21
  5. Step 5: Solve for x
    x = 1,066,136,412,419.21/1,191,984.10
  6. Step 6: Final answer
    x = 894,421.68

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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.