Home / 985,774.18-1,360,504.54-577,976.44

Finding the Fourth Proportional to 985,774.18, 1,360,504.54 and 577,976.44

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Solution

The fourth proportional to 985,774.18, 1,360,504.54 and 577,976.44 is: 797,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,774.18 : 1,360,504.54 = 577,976.44 : x
  2. Step 2: Convert to fraction form
    985,774.18/1,360,504.54 = 577,976.44/x
  3. Step 3: Cross multiply
    985,774.18x = 1,360,504.54 × 577,976.44
  4. Step 4: Simplify right side
    985,774.18x = 786,339,570,633.04
  5. Step 5: Solve for x
    x = 786,339,570,633.04/985,774.18
  6. Step 6: Final answer
    x = 797,687.33

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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.