Home / 876,490.63-1,209,532.53-494,552.95

Finding the Fourth Proportional to 876,490.63, 1,209,532.53 and 494,552.95

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Solution

The fourth proportional to 876,490.63, 1,209,532.53 and 494,552.95 is: 682,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,490.63 : 1,209,532.53 = 494,552.95 : x
  2. Step 2: Convert to fraction form
    876,490.63/1,209,532.53 = 494,552.95/x
  3. Step 3: Cross multiply
    876,490.63x = 1,209,532.53 × 494,552.95
  4. Step 4: Simplify right side
    876,490.63x = 598,177,880,832.46
  5. Step 5: Solve for x
    x = 598,177,880,832.46/876,490.63
  6. Step 6: Final answer
    x = 682,469.22

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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.