Home / 935,167.62-1,290,530.76-505,447.77

Finding the Fourth Proportional to 935,167.62, 1,290,530.76 and 505,447.77

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Solution

The fourth proportional to 935,167.62, 1,290,530.76 and 505,447.77 is: 697,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,167.62 : 1,290,530.76 = 505,447.77 : x
  2. Step 2: Convert to fraction form
    935,167.62/1,290,530.76 = 505,447.77/x
  3. Step 3: Cross multiply
    935,167.62x = 1,290,530.76 × 505,447.77
  4. Step 4: Simplify right side
    935,167.62x = 652,295,894,758.41
  5. Step 5: Solve for x
    x = 652,295,894,758.41/935,167.62
  6. Step 6: Final answer
    x = 697,517.62

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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.