Home / 748,165.94-1,032,468.99-408,635

Finding the Fourth Proportional to 748,165.94, 1,032,468.99 and 408,635

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Solution

The fourth proportional to 748,165.94, 1,032,468.99 and 408,635 is: 563,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,165.94 : 1,032,468.99 = 408,635 : x
  2. Step 2: Convert to fraction form
    748,165.94/1,032,468.99 = 408,635/x
  3. Step 3: Cross multiply
    748,165.94x = 1,032,468.99 × 408,635
  4. Step 4: Simplify right side
    748,165.94x = 421,902,965,728.65
  5. Step 5: Solve for x
    x = 421,902,965,728.65/748,165.94
  6. Step 6: Final answer
    x = 563,916.30

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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.