Home / 825,115.52-1,236,385.20-572,888

Finding the Fourth Proportional to 825,115.52, 1,236,385.20 and 572,888

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Solution

The fourth proportional to 825,115.52, 1,236,385.20 and 572,888 is: 858,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,115.52 : 1,236,385.20 = 572,888 : x
  2. Step 2: Convert to fraction form
    825,115.52/1,236,385.20 = 572,888/x
  3. Step 3: Cross multiply
    825,115.52x = 1,236,385.20 × 572,888
  4. Step 4: Simplify right side
    825,115.52x = 708,310,244,457.60
  5. Step 5: Solve for x
    x = 708,310,244,457.60/825,115.52
  6. Step 6: Final answer
    x = 858,437.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.