Home / 572,458.20-789,448.30-417,268.44

Finding the Fourth Proportional to 572,458.20, 789,448.30 and 417,268.44

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Solution

The fourth proportional to 572,458.20, 789,448.30 and 417,268.44 is: 575,433.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,458.20 : 789,448.30 = 417,268.44 : x
  2. Step 2: Convert to fraction form
    572,458.20/789,448.30 = 417,268.44/x
  3. Step 3: Cross multiply
    572,458.20x = 789,448.30 × 417,268.44
  4. Step 4: Simplify right side
    572,458.20x = 329,411,860,601.65
  5. Step 5: Solve for x
    x = 329,411,860,601.65/572,458.20
  6. Step 6: Final answer
    x = 575,433.91

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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.