Home / 403,530.19-604,981.54-261,074.48

Finding the Fourth Proportional to 403,530.19, 604,981.54 and 261,074.48

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Solution

The fourth proportional to 403,530.19, 604,981.54 and 261,074.48 is: 391,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,530.19 : 604,981.54 = 261,074.48 : x
  2. Step 2: Convert to fraction form
    403,530.19/604,981.54 = 261,074.48/x
  3. Step 3: Cross multiply
    403,530.19x = 604,981.54 × 261,074.48
  4. Step 4: Simplify right side
    403,530.19x = 157,945,240,965.10
  5. Step 5: Solve for x
    x = 157,945,240,965.10/403,530.19
  6. Step 6: Final answer
    x = 391,408.73

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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.