Home / 527,091.08-727,376.87-285,371.69

Finding the Fourth Proportional to 527,091.08, 727,376.87 and 285,371.69

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Solution

The fourth proportional to 527,091.08, 727,376.87 and 285,371.69 is: 393,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,091.08 : 727,376.87 = 285,371.69 : x
  2. Step 2: Convert to fraction form
    527,091.08/727,376.87 = 285,371.69/x
  3. Step 3: Cross multiply
    527,091.08x = 727,376.87 × 285,371.69
  4. Step 4: Simplify right side
    527,091.08x = 207,572,763,735.36
  5. Step 5: Solve for x
    x = 207,572,763,735.36/527,091.08
  6. Step 6: Final answer
    x = 393,808.15

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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.