Home / 524,881.21-787,446.76-169,895.20

Finding the Fourth Proportional to 524,881.21, 787,446.76 and 169,895.20

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Solution

The fourth proportional to 524,881.21, 787,446.76 and 169,895.20 is: 254,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,881.21 : 787,446.76 = 169,895.20 : x
  2. Step 2: Convert to fraction form
    524,881.21/787,446.76 = 169,895.20/x
  3. Step 3: Cross multiply
    524,881.21x = 787,446.76 × 169,895.20
  4. Step 4: Simplify right side
    524,881.21x = 133,783,424,779.55
  5. Step 5: Solve for x
    x = 133,783,424,779.55/524,881.21
  6. Step 6: Final answer
    x = 254,883.24

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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.