Home / 527,541.18-728,008.35-285,822.54

Finding the Fourth Proportional to 527,541.18, 728,008.35 and 285,822.54

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Solution

The fourth proportional to 527,541.18, 728,008.35 and 285,822.54 is: 394,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,541.18 : 728,008.35 = 285,822.54 : x
  2. Step 2: Convert to fraction form
    527,541.18/728,008.35 = 285,822.54/x
  3. Step 3: Cross multiply
    527,541.18x = 728,008.35 × 285,822.54
  4. Step 4: Simplify right side
    527,541.18x = 208,081,195,738.21
  5. Step 5: Solve for x
    x = 208,081,195,738.21/527,541.18
  6. Step 6: Final answer
    x = 394,435.93

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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.