Home / 1,023,072.96-1,412,732.16-641,755.20

Finding the Fourth Proportional to 1,023,072.96, 1,412,732.16 and 641,755.20

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Solution

The fourth proportional to 1,023,072.96, 1,412,732.16 and 641,755.20 is: 886,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,072.96 : 1,412,732.16 = 641,755.20 : x
  2. Step 2: Convert to fraction form
    1,023,072.96/1,412,732.16 = 641,755.20/x
  3. Step 3: Cross multiply
    1,023,072.96x = 1,412,732.16 × 641,755.20
  4. Step 4: Simplify right side
    1,023,072.96x = 906,628,209,887.23
  5. Step 5: Solve for x
    x = 906,628,209,887.23/1,023,072.96
  6. Step 6: Final answer
    x = 886,181.38

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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.