Home / 491,119.04-677,737.32-276,259.06

Finding the Fourth Proportional to 491,119.04, 677,737.32 and 276,259.06

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Solution

The fourth proportional to 491,119.04, 677,737.32 and 276,259.06 is: 381,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,119.04 : 677,737.32 = 276,259.06 : x
  2. Step 2: Convert to fraction form
    491,119.04/677,737.32 = 276,259.06/x
  3. Step 3: Cross multiply
    491,119.04x = 677,737.32 × 276,259.06
  4. Step 4: Simplify right side
    491,119.04x = 187,231,074,950.12
  5. Step 5: Solve for x
    x = 187,231,074,950.12/491,119.04
  6. Step 6: Final answer
    x = 381,233.59

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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.