Home / 533,982.98-736,890.84-288,962.34

Finding the Fourth Proportional to 533,982.98, 736,890.84 and 288,962.34

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Solution

The fourth proportional to 533,982.98, 736,890.84 and 288,962.34 is: 398,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,982.98 : 736,890.84 = 288,962.34 : x
  2. Step 2: Convert to fraction form
    533,982.98/736,890.84 = 288,962.34/x
  3. Step 3: Cross multiply
    533,982.98x = 736,890.84 × 288,962.34
  4. Step 4: Simplify right side
    533,982.98x = 212,933,699,500.33
  5. Step 5: Solve for x
    x = 212,933,699,500.33/533,982.98
  6. Step 6: Final answer
    x = 398,764.95

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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.