Home / 1,086,953.65-1,629,572.97-686,750.88

Finding the Fourth Proportional to 1,086,953.65, 1,629,572.97 and 686,750.88

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Solution

The fourth proportional to 1,086,953.65, 1,629,572.97 and 686,750.88 is: 1,029,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,953.65 : 1,629,572.97 = 686,750.88 : x
  2. Step 2: Convert to fraction form
    1,086,953.65/1,629,572.97 = 686,750.88/x
  3. Step 3: Cross multiply
    1,086,953.65x = 1,629,572.97 × 686,750.88
  4. Step 4: Simplify right side
    1,086,953.65x = 1,119,110,671,171.71
  5. Step 5: Solve for x
    x = 1,119,110,671,171.71/1,086,953.65
  6. Step 6: Final answer
    x = 1,029,584.54

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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.