Home / 776,100.53-1,164,151.11-349,137.64

Finding the Fourth Proportional to 776,100.53, 1,164,151.11 and 349,137.64

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Solution

The fourth proportional to 776,100.53, 1,164,151.11 and 349,137.64 is: 523,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,100.53 : 1,164,151.11 = 349,137.64 : x
  2. Step 2: Convert to fraction form
    776,100.53/1,164,151.11 = 349,137.64/x
  3. Step 3: Cross multiply
    776,100.53x = 1,164,151.11 × 349,137.64
  4. Step 4: Simplify right side
    776,100.53x = 406,448,965,328.03
  5. Step 5: Solve for x
    x = 406,448,965,328.03/776,100.53
  6. Step 6: Final answer
    x = 523,706.59

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1.5x scale

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.