Home / 526,827.31-727,023.54-285,109.81

Finding the Fourth Proportional to 526,827.31, 727,023.54 and 285,109.81

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Solution

The fourth proportional to 526,827.31, 727,023.54 and 285,109.81 is: 393,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,827.31 : 727,023.54 = 285,109.81 : x
  2. Step 2: Convert to fraction form
    526,827.31/727,023.54 = 285,109.81/x
  3. Step 3: Cross multiply
    526,827.31x = 727,023.54 × 285,109.81
  4. Step 4: Simplify right side
    526,827.31x = 207,281,543,354.93
  5. Step 5: Solve for x
    x = 207,281,543,354.93/526,827.31
  6. Step 6: Final answer
    x = 393,452.54

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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.