Home / 723,788.82-998,833.08-401,519.34

Finding the Fourth Proportional to 723,788.82, 998,833.08 and 401,519.34

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Solution

The fourth proportional to 723,788.82, 998,833.08 and 401,519.34 is: 554,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,788.82 : 998,833.08 = 401,519.34 : x
  2. Step 2: Convert to fraction form
    723,788.82/998,833.08 = 401,519.34/x
  3. Step 3: Cross multiply
    723,788.82x = 998,833.08 × 401,519.34
  4. Step 4: Simplify right side
    723,788.82x = 401,050,799,051.77
  5. Step 5: Solve for x
    x = 401,050,799,051.77/723,788.82
  6. Step 6: Final answer
    x = 554,099.19

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1.5x scale

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.