Home / 774,133.49-1,068,286.94-429,950.12

Finding the Fourth Proportional to 774,133.49, 1,068,286.94 and 429,950.12

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Solution

The fourth proportional to 774,133.49, 1,068,286.94 and 429,950.12 is: 593,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,133.49 : 1,068,286.94 = 429,950.12 : x
  2. Step 2: Convert to fraction form
    774,133.49/1,068,286.94 = 429,950.12/x
  3. Step 3: Cross multiply
    774,133.49x = 1,068,286.94 × 429,950.12
  4. Step 4: Simplify right side
    774,133.49x = 459,310,092,706.00
  5. Step 5: Solve for x
    x = 459,310,092,706.00/774,133.49
  6. Step 6: Final answer
    x = 593,321.56

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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.