Home / 516,821.58-775,290.69-236,263.50

Finding the Fourth Proportional to 516,821.58, 775,290.69 and 236,263.50

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Solution

The fourth proportional to 516,821.58, 775,290.69 and 236,263.50 is: 354,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,821.58 : 775,290.69 = 236,263.50 : x
  2. Step 2: Convert to fraction form
    516,821.58/775,290.69 = 236,263.50/x
  3. Step 3: Cross multiply
    516,821.58x = 775,290.69 × 236,263.50
  4. Step 4: Simplify right side
    516,821.58x = 183,172,891,936.82
  5. Step 5: Solve for x
    x = 183,172,891,936.82/516,821.58
  6. Step 6: Final answer
    x = 354,421.91

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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.