Home / 914,776.62-1,372,167.90-231,663.09

Finding the Fourth Proportional to 914,776.62, 1,372,167.90 and 231,663.09

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Solution

The fourth proportional to 914,776.62, 1,372,167.90 and 231,663.09 is: 347,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,776.62 : 1,372,167.90 = 231,663.09 : x
  2. Step 2: Convert to fraction form
    914,776.62/1,372,167.90 = 231,663.09/x
  3. Step 3: Cross multiply
    914,776.62x = 1,372,167.90 × 231,663.09
  4. Step 4: Simplify right side
    914,776.62x = 317,880,655,712.81
  5. Step 5: Solve for x
    x = 317,880,655,712.81/914,776.62
  6. Step 6: Final answer
    x = 347,495.39

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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.