Home / 499,746.53-689,666.51-273,392.03

Finding the Fourth Proportional to 499,746.53, 689,666.51 and 273,392.03

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Solution

The fourth proportional to 499,746.53, 689,666.51 and 273,392.03 is: 377,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,746.53 : 689,666.51 = 273,392.03 : x
  2. Step 2: Convert to fraction form
    499,746.53/689,666.51 = 273,392.03/x
  3. Step 3: Cross multiply
    499,746.53x = 689,666.51 × 273,392.03
  4. Step 4: Simplify right side
    499,746.53x = 188,549,325,824.96
  5. Step 5: Solve for x
    x = 188,549,325,824.96/499,746.53
  6. Step 6: Final answer
    x = 377,289.91

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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.