Home / 976,508.28-1,347,603.06-557,395.56

Finding the Fourth Proportional to 976,508.28, 1,347,603.06 and 557,395.56

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Solution

The fourth proportional to 976,508.28, 1,347,603.06 and 557,395.56 is: 769,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,508.28 : 1,347,603.06 = 557,395.56 : x
  2. Step 2: Convert to fraction form
    976,508.28/1,347,603.06 = 557,395.56/x
  3. Step 3: Cross multiply
    976,508.28x = 1,347,603.06 × 557,395.56
  4. Step 4: Simplify right side
    976,508.28x = 751,147,962,286.41
  5. Step 5: Solve for x
    x = 751,147,962,286.41/976,508.28
  6. Step 6: Final answer
    x = 769,218.22

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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.