Home / 753,175.95-1,039,391-413,644.20

Finding the Fourth Proportional to 753,175.95, 1,039,391 and 413,644.20

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Solution

The fourth proportional to 753,175.95, 1,039,391 and 413,644.20 is: 570,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,175.95 : 1,039,391 = 413,644.20 : x
  2. Step 2: Convert to fraction form
    753,175.95/1,039,391 = 413,644.20/x
  3. Step 3: Cross multiply
    753,175.95x = 1,039,391 × 413,644.20
  4. Step 4: Simplify right side
    753,175.95x = 429,938,058,682.20
  5. Step 5: Solve for x
    x = 429,938,058,682.20/753,175.95
  6. Step 6: Final answer
    x = 570,833.49

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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.