Home / 856,876.50-1,286,179.20-377,317.62

Finding the Fourth Proportional to 856,876.50, 1,286,179.20 and 377,317.62

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Solution

The fourth proportional to 856,876.50, 1,286,179.20 and 377,317.62 is: 566,357.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,876.50 : 1,286,179.20 = 377,317.62 : x
  2. Step 2: Convert to fraction form
    856,876.50/1,286,179.20 = 377,317.62/x
  3. Step 3: Cross multiply
    856,876.50x = 1,286,179.20 × 377,317.62
  4. Step 4: Simplify right side
    856,876.50x = 485,298,074,637.50
  5. Step 5: Solve for x
    x = 485,298,074,637.50/856,876.50
  6. Step 6: Final answer
    x = 566,357.08

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1.5x scale

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.