Home / 741,402.90-1,023,135.03-401,871.06

Finding the Fourth Proportional to 741,402.90, 1,023,135.03 and 401,871.06

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Solution

The fourth proportional to 741,402.90, 1,023,135.03 and 401,871.06 is: 554,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,402.90 : 1,023,135.03 = 401,871.06 : x
  2. Step 2: Convert to fraction form
    741,402.90/1,023,135.03 = 401,871.06/x
  3. Step 3: Cross multiply
    741,402.90x = 1,023,135.03 × 401,871.06
  4. Step 4: Simplify right side
    741,402.90x = 411,168,359,029.23
  5. Step 5: Solve for x
    x = 411,168,359,029.23/741,402.90
  6. Step 6: Final answer
    x = 554,581.54

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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.