Home / 988,628.56-1,482,942.84-314,706.94

Finding the Fourth Proportional to 988,628.56, 1,482,942.84 and 314,706.94

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Solution

The fourth proportional to 988,628.56, 1,482,942.84 and 314,706.94 is: 472,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,628.56 : 1,482,942.84 = 314,706.94 : x
  2. Step 2: Convert to fraction form
    988,628.56/1,482,942.84 = 314,706.94/x
  3. Step 3: Cross multiply
    988,628.56x = 1,482,942.84 × 314,706.94
  4. Step 4: Simplify right side
    988,628.56x = 466,692,403,371.31
  5. Step 5: Solve for x
    x = 466,692,403,371.31/988,628.56
  6. Step 6: Final answer
    x = 472,060.41

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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.