Home / 866,059.88-1,195,137.89-478,868.63

Finding the Fourth Proportional to 866,059.88, 1,195,137.89 and 478,868.63

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Solution

The fourth proportional to 866,059.88, 1,195,137.89 and 478,868.63 is: 660,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,059.88 : 1,195,137.89 = 478,868.63 : x
  2. Step 2: Convert to fraction form
    866,059.88/1,195,137.89 = 478,868.63/x
  3. Step 3: Cross multiply
    866,059.88x = 1,195,137.89 × 478,868.63
  4. Step 4: Simplify right side
    866,059.88x = 572,314,045,242.56
  5. Step 5: Solve for x
    x = 572,314,045,242.56/866,059.88
  6. Step 6: Final answer
    x = 660,825.03

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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.