Home / 527,837.10-728,041.92-323,898.54

Finding the Fourth Proportional to 527,837.10, 728,041.92 and 323,898.54

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Solution

The fourth proportional to 527,837.10, 728,041.92 and 323,898.54 is: 446,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,837.10 : 728,041.92 = 323,898.54 : x
  2. Step 2: Convert to fraction form
    527,837.10/728,041.92 = 323,898.54/x
  3. Step 3: Cross multiply
    527,837.10x = 728,041.92 × 323,898.54
  4. Step 4: Simplify right side
    527,837.10x = 235,811,714,946.80
  5. Step 5: Solve for x
    x = 235,811,714,946.80/527,837.10
  6. Step 6: Final answer
    x = 446,750.93

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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.