Home / 406,983.20-608,746.80-365,165.60

Finding the Fourth Proportional to 406,983.20, 608,746.80 and 365,165.60

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Solution

The fourth proportional to 406,983.20, 608,746.80 and 365,165.60 is: 546,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,983.20 : 608,746.80 = 365,165.60 : x
  2. Step 2: Convert to fraction form
    406,983.20/608,746.80 = 365,165.60/x
  3. Step 3: Cross multiply
    406,983.20x = 608,746.80 × 365,165.60
  4. Step 4: Simplify right side
    406,983.20x = 222,293,390,470.08
  5. Step 5: Solve for x
    x = 222,293,390,470.08/406,983.20
  6. Step 6: Final answer
    x = 546,197.95

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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.