Home / 488,962.38-733,268.61-264,488.70

Finding the Fourth Proportional to 488,962.38, 733,268.61 and 264,488.70

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Solution

The fourth proportional to 488,962.38, 733,268.61 and 264,488.70 is: 396,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,962.38 : 733,268.61 = 264,488.70 : x
  2. Step 2: Convert to fraction form
    488,962.38/733,268.61 = 264,488.70/x
  3. Step 3: Cross multiply
    488,962.38x = 733,268.61 × 264,488.70
  4. Step 4: Simplify right side
    488,962.38x = 193,941,261,409.71
  5. Step 5: Solve for x
    x = 193,941,261,409.71/488,962.38
  6. Step 6: Final answer
    x = 396,638.41

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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.