Home / 866,926.88-1,196,405.56-484,930.88

Finding the Fourth Proportional to 866,926.88, 1,196,405.56 and 484,930.88

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Solution

The fourth proportional to 866,926.88, 1,196,405.56 and 484,930.88 is: 669,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,926.88 : 1,196,405.56 = 484,930.88 : x
  2. Step 2: Convert to fraction form
    866,926.88/1,196,405.56 = 484,930.88/x
  3. Step 3: Cross multiply
    866,926.88x = 1,196,405.56 × 484,930.88
  4. Step 4: Simplify right side
    866,926.88x = 580,174,001,047.69
  5. Step 5: Solve for x
    x = 580,174,001,047.69/866,926.88
  6. Step 6: Final answer
    x = 669,230.61

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1.5x scale

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.