Home / 478,071.18-659,723.94-263,210.58

Finding the Fourth Proportional to 478,071.18, 659,723.94 and 263,210.58

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Solution

The fourth proportional to 478,071.18, 659,723.94 and 263,210.58 is: 363,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,071.18 : 659,723.94 = 263,210.58 : x
  2. Step 2: Convert to fraction form
    478,071.18/659,723.94 = 263,210.58/x
  3. Step 3: Cross multiply
    478,071.18x = 659,723.94 × 263,210.58
  4. Step 4: Simplify right side
    478,071.18x = 173,646,320,887.29
  5. Step 5: Solve for x
    x = 173,646,320,887.29/478,071.18
  6. Step 6: Final answer
    x = 363,222.73

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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.