Home / 664,020.10-993,968.29-359,658.28

Finding the Fourth Proportional to 664,020.10, 993,968.29 and 359,658.28

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Solution

The fourth proportional to 664,020.10, 993,968.29 and 359,658.28 is: 538,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,020.10 : 993,968.29 = 359,658.28 : x
  2. Step 2: Convert to fraction form
    664,020.10/993,968.29 = 359,658.28/x
  3. Step 3: Cross multiply
    664,020.10x = 993,968.29 × 359,658.28
  4. Step 4: Simplify right side
    664,020.10x = 357,488,925,555.94
  5. Step 5: Solve for x
    x = 357,488,925,555.94/664,020.10
  6. Step 6: Final answer
    x = 538,370.64

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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.