Home / 514,297.20-771,555.96-261,612.84

Finding the Fourth Proportional to 514,297.20, 771,555.96 and 261,612.84

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Solution

The fourth proportional to 514,297.20, 771,555.96 and 261,612.84 is: 392,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,297.20 : 771,555.96 = 261,612.84 : x
  2. Step 2: Convert to fraction form
    514,297.20/771,555.96 = 261,612.84/x
  3. Step 3: Cross multiply
    514,297.20x = 771,555.96 × 261,612.84
  4. Step 4: Simplify right side
    514,297.20x = 201,848,945,914.53
  5. Step 5: Solve for x
    x = 201,848,945,914.53/514,297.20
  6. Step 6: Final answer
    x = 392,475.30

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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.