Home / 516,975.40-775,145.58-201,064.06

Finding the Fourth Proportional to 516,975.40, 775,145.58 and 201,064.06

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Solution

The fourth proportional to 516,975.40, 775,145.58 and 201,064.06 is: 301,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,975.40 : 775,145.58 = 201,064.06 : x
  2. Step 2: Convert to fraction form
    516,975.40/775,145.58 = 201,064.06/x
  3. Step 3: Cross multiply
    516,975.40x = 775,145.58 × 201,064.06
  4. Step 4: Simplify right side
    516,975.40x = 155,853,917,405.86
  5. Step 5: Solve for x
    x = 155,853,917,405.86/516,975.40
  6. Step 6: Final answer
    x = 301,472.60

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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.