Home / 843,311.01-1,163,778.38-461,329.59

Finding the Fourth Proportional to 843,311.01, 1,163,778.38 and 461,329.59

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Solution

The fourth proportional to 843,311.01, 1,163,778.38 and 461,329.59 is: 636,639.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,311.01 : 1,163,778.38 = 461,329.59 : x
  2. Step 2: Convert to fraction form
    843,311.01/1,163,778.38 = 461,329.59/x
  3. Step 3: Cross multiply
    843,311.01x = 1,163,778.38 × 461,329.59
  4. Step 4: Simplify right side
    843,311.01x = 536,885,409,278.75
  5. Step 5: Solve for x
    x = 536,885,409,278.75/843,311.01
  6. Step 6: Final answer
    x = 636,639.86

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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.