Home / 623,865.65-935,805.74-219,067.88

Finding the Fourth Proportional to 623,865.65, 935,805.74 and 219,067.88

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Solution

The fourth proportional to 623,865.65, 935,805.74 and 219,067.88 is: 328,604.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,865.65 : 935,805.74 = 219,067.88 : x
  2. Step 2: Convert to fraction form
    623,865.65/935,805.74 = 219,067.88/x
  3. Step 3: Cross multiply
    623,865.65x = 935,805.74 × 219,067.88
  4. Step 4: Simplify right side
    623,865.65x = 205,004,973,779.26
  5. Step 5: Solve for x
    x = 205,004,973,779.26/623,865.65
  6. Step 6: Final answer
    x = 328,604.36

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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.