Home / 469,269.03-648,125.87-318,103.59

Finding the Fourth Proportional to 469,269.03, 648,125.87 and 318,103.59

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Solution

The fourth proportional to 469,269.03, 648,125.87 and 318,103.59 is: 439,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,269.03 : 648,125.87 = 318,103.59 : x
  2. Step 2: Convert to fraction form
    469,269.03/648,125.87 = 318,103.59/x
  3. Step 3: Cross multiply
    469,269.03x = 648,125.87 × 318,103.59
  4. Step 4: Simplify right side
    469,269.03x = 206,171,164,428.36
  5. Step 5: Solve for x
    x = 206,171,164,428.36/469,269.03
  6. Step 6: Final answer
    x = 439,345.35

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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.