Home / 825,348.04-1,138,965.84-462,770.76

Finding the Fourth Proportional to 825,348.04, 1,138,965.84 and 462,770.76

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Solution

The fourth proportional to 825,348.04, 1,138,965.84 and 462,770.76 is: 638,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,348.04 : 1,138,965.84 = 462,770.76 : x
  2. Step 2: Convert to fraction form
    825,348.04/1,138,965.84 = 462,770.76/x
  3. Step 3: Cross multiply
    825,348.04x = 1,138,965.84 × 462,770.76
  4. Step 4: Simplify right side
    825,348.04x = 527,080,087,390.84
  5. Step 5: Solve for x
    x = 527,080,087,390.84/825,348.04
  6. Step 6: Final answer
    x = 638,615.54

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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.