Home / 746,142.56-1,029,644.72-423,851.68

Finding the Fourth Proportional to 746,142.56, 1,029,644.72 and 423,851.68

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Solution

The fourth proportional to 746,142.56, 1,029,644.72 and 423,851.68 is: 584,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,142.56 : 1,029,644.72 = 423,851.68 : x
  2. Step 2: Convert to fraction form
    746,142.56/1,029,644.72 = 423,851.68/x
  3. Step 3: Cross multiply
    746,142.56x = 1,029,644.72 × 423,851.68
  4. Step 4: Simplify right side
    746,142.56x = 436,416,644,375.13
  5. Step 5: Solve for x
    x = 436,416,644,375.13/746,142.56
  6. Step 6: Final answer
    x = 584,897.13

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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.