Home / 487,923.30-733,634.55-410,940.90

Finding the Fourth Proportional to 487,923.30, 733,634.55 and 410,940.90

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Solution

The fourth proportional to 487,923.30, 733,634.55 and 410,940.90 is: 617,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,923.30 : 733,634.55 = 410,940.90 : x
  2. Step 2: Convert to fraction form
    487,923.30/733,634.55 = 410,940.90/x
  3. Step 3: Cross multiply
    487,923.30x = 733,634.55 × 410,940.90
  4. Step 4: Simplify right side
    487,923.30x = 301,480,442,248.10
  5. Step 5: Solve for x
    x = 301,480,442,248.10/487,923.30
  6. Step 6: Final answer
    x = 617,884.91

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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.