Home / 656,126.40-982,807.20-531,710.40

Finding the Fourth Proportional to 656,126.40, 982,807.20 and 531,710.40

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Solution

The fourth proportional to 656,126.40, 982,807.20 and 531,710.40 is: 796,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,126.40 : 982,807.20 = 531,710.40 : x
  2. Step 2: Convert to fraction form
    656,126.40/982,807.20 = 531,710.40/x
  3. Step 3: Cross multiply
    656,126.40x = 982,807.20 × 531,710.40
  4. Step 4: Simplify right side
    656,126.40x = 522,568,809,434.88
  5. Step 5: Solve for x
    x = 522,568,809,434.88/656,126.40
  6. Step 6: Final answer
    x = 796,445.33

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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.