Home / 816,519.42-1,126,706.76-472,361.76

Finding the Fourth Proportional to 816,519.42, 1,126,706.76 and 472,361.76

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Solution

The fourth proportional to 816,519.42, 1,126,706.76 and 472,361.76 is: 651,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,519.42 : 1,126,706.76 = 472,361.76 : x
  2. Step 2: Convert to fraction form
    816,519.42/1,126,706.76 = 472,361.76/x
  3. Step 3: Cross multiply
    816,519.42x = 1,126,706.76 × 472,361.76
  4. Step 4: Simplify right side
    816,519.42x = 532,213,188,157.50
  5. Step 5: Solve for x
    x = 532,213,188,157.50/816,519.42
  6. Step 6: Final answer
    x = 651,807.14

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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.