Home / 571,113.18-857,981.97-403,019.82

Finding the Fourth Proportional to 571,113.18, 857,981.97 and 403,019.82

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Solution

The fourth proportional to 571,113.18, 857,981.97 and 403,019.82 is: 605,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,113.18 : 857,981.97 = 403,019.82 : x
  2. Step 2: Convert to fraction form
    571,113.18/857,981.97 = 403,019.82/x
  3. Step 3: Cross multiply
    571,113.18x = 857,981.97 × 403,019.82
  4. Step 4: Simplify right side
    571,113.18x = 345,783,739,112.65
  5. Step 5: Solve for x
    x = 345,783,739,112.65/571,113.18
  6. Step 6: Final answer
    x = 605,455.72

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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.