Home / 925,605.68-1,386,823.56-505,176.56

Finding the Fourth Proportional to 925,605.68, 1,386,823.56 and 505,176.56

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Solution

The fourth proportional to 925,605.68, 1,386,823.56 and 505,176.56 is: 756,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,605.68 : 1,386,823.56 = 505,176.56 : x
  2. Step 2: Convert to fraction form
    925,605.68/1,386,823.56 = 505,176.56/x
  3. Step 3: Cross multiply
    925,605.68x = 1,386,823.56 × 505,176.56
  4. Step 4: Simplify right side
    925,605.68x = 700,590,755,367.75
  5. Step 5: Solve for x
    x = 700,590,755,367.75/925,605.68
  6. Step 6: Final answer
    x = 756,899.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.