Home / 497,517.04-688,546.71-485,578.07

Finding the Fourth Proportional to 497,517.04, 688,546.71 and 485,578.07

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Solution

The fourth proportional to 497,517.04, 688,546.71 and 485,578.07 is: 672,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,517.04 : 688,546.71 = 485,578.07 : x
  2. Step 2: Convert to fraction form
    497,517.04/688,546.71 = 485,578.07/x
  3. Step 3: Cross multiply
    497,517.04x = 688,546.71 × 485,578.07
  4. Step 4: Simplify right side
    497,517.04x = 334,343,183,082.37
  5. Step 5: Solve for x
    x = 334,343,183,082.37/497,517.04
  6. Step 6: Final answer
    x = 672,023.58

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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.