Home / 769,282.20-1,153,677.06-256,837.32

Finding the Fourth Proportional to 769,282.20, 1,153,677.06 and 256,837.32

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Solution

The fourth proportional to 769,282.20, 1,153,677.06 and 256,837.32 is: 385,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,282.20 : 1,153,677.06 = 256,837.32 : x
  2. Step 2: Convert to fraction form
    769,282.20/1,153,677.06 = 256,837.32/x
  3. Step 3: Cross multiply
    769,282.20x = 1,153,677.06 × 256,837.32
  4. Step 4: Simplify right side
    769,282.20x = 296,307,324,235.88
  5. Step 5: Solve for x
    x = 296,307,324,235.88/769,282.20
  6. Step 6: Final answer
    x = 385,173.77

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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.