Home / 516,836.40-713,177.10-310,093.80

Finding the Fourth Proportional to 516,836.40, 713,177.10 and 310,093.80

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Solution

The fourth proportional to 516,836.40, 713,177.10 and 310,093.80 is: 427,895.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,836.40 : 713,177.10 = 310,093.80 : x
  2. Step 2: Convert to fraction form
    516,836.40/713,177.10 = 310,093.80/x
  3. Step 3: Cross multiply
    516,836.40x = 713,177.10 × 310,093.80
  4. Step 4: Simplify right side
    516,836.40x = 221,151,797,011.98
  5. Step 5: Solve for x
    x = 221,151,797,011.98/516,836.40
  6. Step 6: Final answer
    x = 427,895.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.