Home / 806,656.20-1,209,984.30-541,235.40

Finding the Fourth Proportional to 806,656.20, 1,209,984.30 and 541,235.40

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Solution

The fourth proportional to 806,656.20, 1,209,984.30 and 541,235.40 is: 811,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,656.20 : 1,209,984.30 = 541,235.40 : x
  2. Step 2: Convert to fraction form
    806,656.20/1,209,984.30 = 541,235.40/x
  3. Step 3: Cross multiply
    806,656.20x = 1,209,984.30 × 541,235.40
  4. Step 4: Simplify right side
    806,656.20x = 654,886,336,604.22
  5. Step 5: Solve for x
    x = 654,886,336,604.22/806,656.20
  6. Step 6: Final answer
    x = 811,853.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.