Home / 484,891.12-669,156.30-270,036.60

Finding the Fourth Proportional to 484,891.12, 669,156.30 and 270,036.60

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Solution

The fourth proportional to 484,891.12, 669,156.30 and 270,036.60 is: 372,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,891.12 : 669,156.30 = 270,036.60 : x
  2. Step 2: Convert to fraction form
    484,891.12/669,156.30 = 270,036.60/x
  3. Step 3: Cross multiply
    484,891.12x = 669,156.30 × 270,036.60
  4. Step 4: Simplify right side
    484,891.12x = 180,696,692,120.58
  5. Step 5: Solve for x
    x = 180,696,692,120.58/484,891.12
  6. Step 6: Final answer
    x = 372,654.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.