Home / 526,980.33-727,233.30-285,262.16

Finding the Fourth Proportional to 526,980.33, 727,233.30 and 285,262.16

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Solution

The fourth proportional to 526,980.33, 727,233.30 and 285,262.16 is: 393,662.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,980.33 : 727,233.30 = 285,262.16 : x
  2. Step 2: Convert to fraction form
    526,980.33/727,233.30 = 285,262.16/x
  3. Step 3: Cross multiply
    526,980.33x = 727,233.30 × 285,262.16
  4. Step 4: Simplify right side
    526,980.33x = 207,452,138,345.76
  5. Step 5: Solve for x
    x = 207,452,138,345.76/526,980.33
  6. Step 6: Final answer
    x = 393,662.01

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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.