Home / 840,911.34-1,160,441.45-458,940.85

Finding the Fourth Proportional to 840,911.34, 1,160,441.45 and 458,940.85

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Solution

The fourth proportional to 840,911.34, 1,160,441.45 and 458,940.85 is: 633,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,911.34 : 1,160,441.45 = 458,940.85 : x
  2. Step 2: Convert to fraction form
    840,911.34/1,160,441.45 = 458,940.85/x
  3. Step 3: Cross multiply
    840,911.34x = 1,160,441.45 × 458,940.85
  4. Step 4: Simplify right side
    840,911.34x = 532,573,991,072.48
  5. Step 5: Solve for x
    x = 532,573,991,072.48/840,911.34
  6. Step 6: Final answer
    x = 633,329.54

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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.