Home / 514,288.40-771,313.80-194,474.48

Finding the Fourth Proportional to 514,288.40, 771,313.80 and 194,474.48

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Solution

The fourth proportional to 514,288.40, 771,313.80 and 194,474.48 is: 291,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,288.40 : 771,313.80 = 194,474.48 : x
  2. Step 2: Convert to fraction form
    514,288.40/771,313.80 = 194,474.48/x
  3. Step 3: Cross multiply
    514,288.40x = 771,313.80 × 194,474.48
  4. Step 4: Simplify right side
    514,288.40x = 150,000,850,171.82
  5. Step 5: Solve for x
    x = 150,000,850,171.82/514,288.40
  6. Step 6: Final answer
    x = 291,666.80

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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.