Home / 806,670.20-1,210,005.30-540,558.20

Finding the Fourth Proportional to 806,670.20, 1,210,005.30 and 540,558.20

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Solution

The fourth proportional to 806,670.20, 1,210,005.30 and 540,558.20 is: 810,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,670.20 : 1,210,005.30 = 540,558.20 : x
  2. Step 2: Convert to fraction form
    806,670.20/1,210,005.30 = 540,558.20/x
  3. Step 3: Cross multiply
    806,670.20x = 1,210,005.30 × 540,558.20
  4. Step 4: Simplify right side
    806,670.20x = 654,078,286,958.46
  5. Step 5: Solve for x
    x = 654,078,286,958.46/806,670.20
  6. Step 6: Final answer
    x = 810,837.30

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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.