Home / 1,018,991.01-1,403,777.19-712,493.89

Finding the Fourth Proportional to 1,018,991.01, 1,403,777.19 and 712,493.89

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Solution

The fourth proportional to 1,018,991.01, 1,403,777.19 and 712,493.89 is: 981,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,991.01 : 1,403,777.19 = 712,493.89 : x
  2. Step 2: Convert to fraction form
    1,018,991.01/1,403,777.19 = 712,493.89/x
  3. Step 3: Cross multiply
    1,018,991.01x = 1,403,777.19 × 712,493.89
  4. Step 4: Simplify right side
    1,018,991.01x = 1,000,182,670,796.37
  5. Step 5: Solve for x
    x = 1,000,182,670,796.37/1,018,991.01
  6. Step 6: Final answer
    x = 981,542.19

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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.