Home / 650,204.20-975,306.30-539,979.40

Finding the Fourth Proportional to 650,204.20, 975,306.30 and 539,979.40

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Solution

The fourth proportional to 650,204.20, 975,306.30 and 539,979.40 is: 809,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,204.20 : 975,306.30 = 539,979.40 : x
  2. Step 2: Convert to fraction form
    650,204.20/975,306.30 = 539,979.40/x
  3. Step 3: Cross multiply
    650,204.20x = 975,306.30 × 539,979.40
  4. Step 4: Simplify right side
    650,204.20x = 526,645,310,690.22
  5. Step 5: Solve for x
    x = 526,645,310,690.22/650,204.20
  6. Step 6: Final answer
    x = 809,969.10

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Double scale
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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.