Home / 765,876.37-1,057,051.10-443,586.37

Finding the Fourth Proportional to 765,876.37, 1,057,051.10 and 443,586.37

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Solution

The fourth proportional to 765,876.37, 1,057,051.10 and 443,586.37 is: 612,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,876.37 : 1,057,051.10 = 443,586.37 : x
  2. Step 2: Convert to fraction form
    765,876.37/1,057,051.10 = 443,586.37/x
  3. Step 3: Cross multiply
    765,876.37x = 1,057,051.10 × 443,586.37
  4. Step 4: Simplify right side
    765,876.37x = 468,893,452,850.32
  5. Step 5: Solve for x
    x = 468,893,452,850.32/765,876.37
  6. Step 6: Final answer
    x = 612,231.26

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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.