Home / 526,788.36-726,967.94-285,070.93

Finding the Fourth Proportional to 526,788.36, 726,967.94 and 285,070.93

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Solution

The fourth proportional to 526,788.36, 726,967.94 and 285,070.93 is: 393,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,788.36 : 726,967.94 = 285,070.93 : x
  2. Step 2: Convert to fraction form
    526,788.36/726,967.94 = 285,070.93/x
  3. Step 3: Cross multiply
    526,788.36x = 726,967.94 × 285,070.93
  4. Step 4: Simplify right side
    526,788.36x = 207,237,428,651.42
  5. Step 5: Solve for x
    x = 207,237,428,651.42/526,788.36
  6. Step 6: Final answer
    x = 393,397.89

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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.