Home / 520,835.44-781,315.68-183,806.52

Finding the Fourth Proportional to 520,835.44, 781,315.68 and 183,806.52

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Solution

The fourth proportional to 520,835.44, 781,315.68 and 183,806.52 is: 275,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,835.44 : 781,315.68 = 183,806.52 : x
  2. Step 2: Convert to fraction form
    520,835.44/781,315.68 = 183,806.52/x
  3. Step 3: Cross multiply
    520,835.44x = 781,315.68 × 183,806.52
  4. Step 4: Simplify right side
    520,835.44x = 143,610,916,162.23
  5. Step 5: Solve for x
    x = 143,610,916,162.23/520,835.44
  6. Step 6: Final answer
    x = 275,731.84

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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.