Home / 514,311.40-771,467.10-159,322.60

Finding the Fourth Proportional to 514,311.40, 771,467.10 and 159,322.60

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Solution

The fourth proportional to 514,311.40, 771,467.10 and 159,322.60 is: 238,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,311.40 : 771,467.10 = 159,322.60 : x
  2. Step 2: Convert to fraction form
    514,311.40/771,467.10 = 159,322.60/x
  3. Step 3: Cross multiply
    514,311.40x = 771,467.10 × 159,322.60
  4. Step 4: Simplify right side
    514,311.40x = 122,912,144,186.46
  5. Step 5: Solve for x
    x = 122,912,144,186.46/514,311.40
  6. Step 6: Final answer
    x = 238,983.90

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Similar ratio
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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.