Home / 526,815.34-727,005.10-285,097.90

Finding the Fourth Proportional to 526,815.34, 727,005.10 and 285,097.90

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Solution

The fourth proportional to 526,815.34, 727,005.10 and 285,097.90 is: 393,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,815.34 : 727,005.10 = 285,097.90 : x
  2. Step 2: Convert to fraction form
    526,815.34/727,005.10 = 285,097.90/x
  3. Step 3: Cross multiply
    526,815.34x = 727,005.10 × 285,097.90
  4. Step 4: Simplify right side
    526,815.34x = 207,267,627,299.29
  5. Step 5: Solve for x
    x = 207,267,627,299.29/526,815.34
  6. Step 6: Final answer
    x = 393,435.06

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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.