Home / 935,219.82-1,290,602.58-505,499.95

Finding the Fourth Proportional to 935,219.82, 1,290,602.58 and 505,499.95

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Solution

The fourth proportional to 935,219.82, 1,290,602.58 and 505,499.95 is: 697,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,219.82 : 1,290,602.58 = 505,499.95 : x
  2. Step 2: Convert to fraction form
    935,219.82/1,290,602.58 = 505,499.95/x
  3. Step 3: Cross multiply
    935,219.82x = 1,290,602.58 × 505,499.95
  4. Step 4: Simplify right side
    935,219.82x = 652,399,530,679.36
  5. Step 5: Solve for x
    x = 652,399,530,679.36/935,219.82
  6. Step 6: Final answer
    x = 697,589.51

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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.