Home / 715,923.20-1,072,963.20-548,883.20

Finding the Fourth Proportional to 715,923.20, 1,072,963.20 and 548,883.20

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Solution

The fourth proportional to 715,923.20, 1,072,963.20 and 548,883.20 is: 822,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,923.20 : 1,072,963.20 = 548,883.20 : x
  2. Step 2: Convert to fraction form
    715,923.20/1,072,963.20 = 548,883.20/x
  3. Step 3: Cross multiply
    715,923.20x = 1,072,963.20 × 548,883.20
  4. Step 4: Simplify right side
    715,923.20x = 588,931,474,698.24
  5. Step 5: Solve for x
    x = 588,931,474,698.24/715,923.20
  6. Step 6: Final answer
    x = 822,618.23

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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.