Home / 935,653.09-1,291,200.37-505,932.20

Finding the Fourth Proportional to 935,653.09, 1,291,200.37 and 505,932.20

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Solution

The fourth proportional to 935,653.09, 1,291,200.37 and 505,932.20 is: 698,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,653.09 : 1,291,200.37 = 505,932.20 : x
  2. Step 2: Convert to fraction form
    935,653.09/1,291,200.37 = 505,932.20/x
  3. Step 3: Cross multiply
    935,653.09x = 1,291,200.37 × 505,932.20
  4. Step 4: Simplify right side
    935,653.09x = 653,259,834,849.25
  5. Step 5: Solve for x
    x = 653,259,834,849.25/935,653.09
  6. Step 6: Final answer
    x = 698,185.94

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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.