Home / 465,311.38-697,884.02-123,756.74

Finding the Fourth Proportional to 465,311.38, 697,884.02 and 123,756.74

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Solution

The fourth proportional to 465,311.38, 697,884.02 and 123,756.74 is: 185,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,311.38 : 697,884.02 = 123,756.74 : x
  2. Step 2: Convert to fraction form
    465,311.38/697,884.02 = 123,756.74/x
  3. Step 3: Cross multiply
    465,311.38x = 697,884.02 × 123,756.74
  4. Step 4: Simplify right side
    465,311.38x = 86,367,851,213.29
  5. Step 5: Solve for x
    x = 86,367,851,213.29/465,311.38
  6. Step 6: Final answer
    x = 185,613.02

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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.