Home / 411,728.20-617,822.70-175,030.60

Finding the Fourth Proportional to 411,728.20, 617,822.70 and 175,030.60

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Solution

The fourth proportional to 411,728.20, 617,822.70 and 175,030.60 is: 262,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,728.20 : 617,822.70 = 175,030.60 : x
  2. Step 2: Convert to fraction form
    411,728.20/617,822.70 = 175,030.60/x
  3. Step 3: Cross multiply
    411,728.20x = 617,822.70 × 175,030.60
  4. Step 4: Simplify right side
    411,728.20x = 108,137,877,874.62
  5. Step 5: Solve for x
    x = 108,137,877,874.62/411,728.20
  6. Step 6: Final answer
    x = 262,643.85

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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.