Home / 400,023.74-552,038.66-271,001.68

Finding the Fourth Proportional to 400,023.74, 552,038.66 and 271,001.68

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Solution

The fourth proportional to 400,023.74, 552,038.66 and 271,001.68 is: 373,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,023.74 : 552,038.66 = 271,001.68 : x
  2. Step 2: Convert to fraction form
    400,023.74/552,038.66 = 271,001.68/x
  3. Step 3: Cross multiply
    400,023.74x = 552,038.66 × 271,001.68
  4. Step 4: Simplify right side
    400,023.74x = 149,603,403,582.36
  5. Step 5: Solve for x
    x = 149,603,403,582.36/400,023.74
  6. Step 6: Final answer
    x = 373,986.31

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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.