Home / 499,426.41-689,211.12-273,071.91

Finding the Fourth Proportional to 499,426.41, 689,211.12 and 273,071.91

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Solution

The fourth proportional to 499,426.41, 689,211.12 and 273,071.91 is: 376,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,426.41 : 689,211.12 = 273,071.91 : x
  2. Step 2: Convert to fraction form
    499,426.41/689,211.12 = 273,071.91/x
  3. Step 3: Cross multiply
    499,426.41x = 689,211.12 × 273,071.91
  4. Step 4: Simplify right side
    499,426.41x = 188,204,196,931.64
  5. Step 5: Solve for x
    x = 188,204,196,931.64/499,426.41
  6. Step 6: Final answer
    x = 376,840.70

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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.