Home / 459,318.66-633,880.86-255,390.51

Finding the Fourth Proportional to 459,318.66, 633,880.86 and 255,390.51

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Solution

The fourth proportional to 459,318.66, 633,880.86 and 255,390.51 is: 352,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,318.66 : 633,880.86 = 255,390.51 : x
  2. Step 2: Convert to fraction form
    459,318.66/633,880.86 = 255,390.51/x
  3. Step 3: Cross multiply
    459,318.66x = 633,880.86 × 255,390.51
  4. Step 4: Simplify right side
    459,318.66x = 161,887,156,114.64
  5. Step 5: Solve for x
    x = 161,887,156,114.64/459,318.66
  6. Step 6: Final answer
    x = 352,450.64

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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.