Home / 769,039.05-1,153,689.78-236,548.29

Finding the Fourth Proportional to 769,039.05, 1,153,689.78 and 236,548.29

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Solution

The fourth proportional to 769,039.05, 1,153,689.78 and 236,548.29 is: 354,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,039.05 : 1,153,689.78 = 236,548.29 : x
  2. Step 2: Convert to fraction form
    769,039.05/1,153,689.78 = 236,548.29/x
  3. Step 3: Cross multiply
    769,039.05x = 1,153,689.78 × 236,548.29
  4. Step 4: Simplify right side
    769,039.05x = 272,903,344,649.48
  5. Step 5: Solve for x
    x = 272,903,344,649.48/769,039.05
  6. Step 6: Final answer
    x = 354,862.79

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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.