Home / 526,779.80-726,958.04-285,062.35

Finding the Fourth Proportional to 526,779.80, 726,958.04 and 285,062.35

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Solution

The fourth proportional to 526,779.80, 726,958.04 and 285,062.35 is: 393,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,779.80 : 726,958.04 = 285,062.35 : x
  2. Step 2: Convert to fraction form
    526,779.80/726,958.04 = 285,062.35/x
  3. Step 3: Cross multiply
    526,779.80x = 726,958.04 × 285,062.35
  4. Step 4: Simplify right side
    526,779.80x = 207,228,367,233.79
  5. Step 5: Solve for x
    x = 207,228,367,233.79/526,779.80
  6. Step 6: Final answer
    x = 393,387.08

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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.