Home / 514,145.20-771,217.80-265,313.20

Finding the Fourth Proportional to 514,145.20, 771,217.80 and 265,313.20

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Solution

The fourth proportional to 514,145.20, 771,217.80 and 265,313.20 is: 397,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,145.20 : 771,217.80 = 265,313.20 : x
  2. Step 2: Convert to fraction form
    514,145.20/771,217.80 = 265,313.20/x
  3. Step 3: Cross multiply
    514,145.20x = 771,217.80 × 265,313.20
  4. Step 4: Simplify right side
    514,145.20x = 204,614,262,414.96
  5. Step 5: Solve for x
    x = 204,614,262,414.96/514,145.20
  6. Step 6: Final answer
    x = 397,969.80

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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.