Home / 741,929.60-1,023,886.08-419,633.43

Finding the Fourth Proportional to 741,929.60, 1,023,886.08 and 419,633.43

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Solution

The fourth proportional to 741,929.60, 1,023,886.08 and 419,633.43 is: 579,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,929.60 : 1,023,886.08 = 419,633.43 : x
  2. Step 2: Convert to fraction form
    741,929.60/1,023,886.08 = 419,633.43/x
  3. Step 3: Cross multiply
    741,929.60x = 1,023,886.08 × 419,633.43
  4. Step 4: Simplify right side
    741,929.60x = 429,656,827,679.65
  5. Step 5: Solve for x
    x = 429,656,827,679.65/741,929.60
  6. Step 6: Final answer
    x = 579,107.28

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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.