Home / 411,975.20-617,962.80-175,325.60

Finding the Fourth Proportional to 411,975.20, 617,962.80 and 175,325.60

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Solution

The fourth proportional to 411,975.20, 617,962.80 and 175,325.60 is: 262,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,975.20 : 617,962.80 = 175,325.60 : x
  2. Step 2: Convert to fraction form
    411,975.20/617,962.80 = 175,325.60/x
  3. Step 3: Cross multiply
    411,975.20x = 617,962.80 × 175,325.60
  4. Step 4: Simplify right side
    411,975.20x = 108,344,698,687.68
  5. Step 5: Solve for x
    x = 108,344,698,687.68/411,975.20
  6. Step 6: Final answer
    x = 262,988.40

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Similar ratio
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1.5x scale

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.