Home / 818,530.67-1,129,584.33-474,392.04

Finding the Fourth Proportional to 818,530.67, 1,129,584.33 and 474,392.04

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Solution

The fourth proportional to 818,530.67, 1,129,584.33 and 474,392.04 is: 654,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,530.67 : 1,129,584.33 = 474,392.04 : x
  2. Step 2: Convert to fraction form
    818,530.67/1,129,584.33 = 474,392.04/x
  3. Step 3: Cross multiply
    818,530.67x = 1,129,584.33 × 474,392.04
  4. Step 4: Simplify right side
    818,530.67x = 535,865,814,660.73
  5. Step 5: Solve for x
    x = 535,865,814,660.73/818,530.67
  6. Step 6: Final answer
    x = 654,667.98

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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.