Home / 488,579.96-674,259.70-273,721.80

Finding the Fourth Proportional to 488,579.96, 674,259.70 and 273,721.80

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Solution

The fourth proportional to 488,579.96, 674,259.70 and 273,721.80 is: 377,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,579.96 : 674,259.70 = 273,721.80 : x
  2. Step 2: Convert to fraction form
    488,579.96/674,259.70 = 273,721.80/x
  3. Step 3: Cross multiply
    488,579.96x = 674,259.70 × 273,721.80
  4. Step 4: Simplify right side
    488,579.96x = 184,559,578,751.46
  5. Step 5: Solve for x
    x = 184,559,578,751.46/488,579.96
  6. Step 6: Final answer
    x = 377,746.93

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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.