Home / 610,402.14-842,183.15-480,939.26

Finding the Fourth Proportional to 610,402.14, 842,183.15 and 480,939.26

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Solution

The fourth proportional to 610,402.14, 842,183.15 and 480,939.26 is: 663,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,402.14 : 842,183.15 = 480,939.26 : x
  2. Step 2: Convert to fraction form
    610,402.14/842,183.15 = 480,939.26/x
  3. Step 3: Cross multiply
    610,402.14x = 842,183.15 × 480,939.26
  4. Step 4: Simplify right side
    610,402.14x = 405,038,934,329.86
  5. Step 5: Solve for x
    x = 405,038,934,329.86/610,402.14
  6. Step 6: Final answer
    x = 663,560.80

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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.