Home / 935,235.14-1,290,623.78-505,515.27

Finding the Fourth Proportional to 935,235.14, 1,290,623.78 and 505,515.27

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Solution

The fourth proportional to 935,235.14, 1,290,623.78 and 505,515.27 is: 697,610.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,235.14 : 1,290,623.78 = 505,515.27 : x
  2. Step 2: Convert to fraction form
    935,235.14/1,290,623.78 = 505,515.27/x
  3. Step 3: Cross multiply
    935,235.14x = 1,290,623.78 × 505,515.27
  4. Step 4: Simplify right side
    935,235.14x = 652,430,026,087.54
  5. Step 5: Solve for x
    x = 652,430,026,087.54/935,235.14
  6. Step 6: Final answer
    x = 697,610.68

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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.