Home / 935,474.42-1,290,954.78-505,754.42

Finding the Fourth Proportional to 935,474.42, 1,290,954.78 and 505,754.42

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Solution

The fourth proportional to 935,474.42, 1,290,954.78 and 505,754.42 is: 697,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,474.42 : 1,290,954.78 = 505,754.42 : x
  2. Step 2: Convert to fraction form
    935,474.42/1,290,954.78 = 505,754.42/x
  3. Step 3: Cross multiply
    935,474.42x = 1,290,954.78 × 505,754.42
  4. Step 4: Simplify right side
    935,474.42x = 652,906,086,005.13
  5. Step 5: Solve for x
    x = 652,906,086,005.13/935,474.42
  6. Step 6: Final answer
    x = 697,941.14

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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.