Home / 411,824.80-617,276.40-175,127.20

Finding the Fourth Proportional to 411,824.80, 617,276.40 and 175,127.20

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Solution

The fourth proportional to 411,824.80, 617,276.40 and 175,127.20 is: 262,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,824.80 : 617,276.40 = 175,127.20 : x
  2. Step 2: Convert to fraction form
    411,824.80/617,276.40 = 175,127.20/x
  3. Step 3: Cross multiply
    411,824.80x = 617,276.40 × 175,127.20
  4. Step 4: Simplify right side
    411,824.80x = 108,101,887,558.08
  5. Step 5: Solve for x
    x = 108,101,887,558.08/411,824.80
  6. Step 6: Final answer
    x = 262,494.85

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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.