Home / 479,596.40-661,840.73-264,734.58

Finding the Fourth Proportional to 479,596.40, 661,840.73 and 264,734.58

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Solution

The fourth proportional to 479,596.40, 661,840.73 and 264,734.58 is: 365,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,596.40 : 661,840.73 = 264,734.58 : x
  2. Step 2: Convert to fraction form
    479,596.40/661,840.73 = 264,734.58/x
  3. Step 3: Cross multiply
    479,596.40x = 661,840.73 × 264,734.58
  4. Step 4: Simplify right side
    479,596.40x = 175,212,126,359.77
  5. Step 5: Solve for x
    x = 175,212,126,359.77/479,596.40
  6. Step 6: Final answer
    x = 365,332.45

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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.