Home / 651,253.87-898,838.27-447,137.65

Finding the Fourth Proportional to 651,253.87, 898,838.27 and 447,137.65

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Solution

The fourth proportional to 651,253.87, 898,838.27 and 447,137.65 is: 617,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,253.87 : 898,838.27 = 447,137.65 : x
  2. Step 2: Convert to fraction form
    651,253.87/898,838.27 = 447,137.65/x
  3. Step 3: Cross multiply
    651,253.87x = 898,838.27 × 447,137.65
  4. Step 4: Simplify right side
    651,253.87x = 401,904,431,777.87
  5. Step 5: Solve for x
    x = 401,904,431,777.87/651,253.87
  6. Step 6: Final answer
    x = 617,124.06

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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.