Home / 406,985.20-608,749.80-365,167.60

Finding the Fourth Proportional to 406,985.20, 608,749.80 and 365,167.60

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Solution

The fourth proportional to 406,985.20, 608,749.80 and 365,167.60 is: 546,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,985.20 : 608,749.80 = 365,167.60 : x
  2. Step 2: Convert to fraction form
    406,985.20/608,749.80 = 365,167.60/x
  3. Step 3: Cross multiply
    406,985.20x = 608,749.80 × 365,167.60
  4. Step 4: Simplify right side
    406,985.20x = 222,295,703,466.48
  5. Step 5: Solve for x
    x = 222,295,703,466.48/406,985.20
  6. Step 6: Final answer
    x = 546,200.95

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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.