Home / 651,252.87-898,836.89-447,136.65

Finding the Fourth Proportional to 651,252.87, 898,836.89 and 447,136.65

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Solution

The fourth proportional to 651,252.87, 898,836.89 and 447,136.65 is: 617,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,252.87 : 898,836.89 = 447,136.65 : x
  2. Step 2: Convert to fraction form
    651,252.87/898,836.89 = 447,136.65/x
  3. Step 3: Cross multiply
    651,252.87x = 898,836.89 × 447,136.65
  4. Step 4: Simplify right side
    651,252.87x = 401,902,913,655.34
  5. Step 5: Solve for x
    x = 401,902,913,655.34/651,252.87
  6. Step 6: Final answer
    x = 617,122.68

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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.