Home / 479,655.46-661,929.90-264,795.64

Finding the Fourth Proportional to 479,655.46, 661,929.90 and 264,795.64

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Solution

The fourth proportional to 479,655.46, 661,929.90 and 264,795.64 is: 365,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,655.46 : 661,929.90 = 264,795.64 : x
  2. Step 2: Convert to fraction form
    479,655.46/661,929.90 = 264,795.64/x
  3. Step 3: Cross multiply
    479,655.46x = 661,929.90 × 264,795.64
  4. Step 4: Simplify right side
    479,655.46x = 175,276,151,505.64
  5. Step 5: Solve for x
    x = 175,276,151,505.64/479,655.46
  6. Step 6: Final answer
    x = 365,420.95

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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.