Home / 451,470.18-623,092.32-279,443.33

Finding the Fourth Proportional to 451,470.18, 623,092.32 and 279,443.33

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Solution

The fourth proportional to 451,470.18, 623,092.32 and 279,443.33 is: 385,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,470.18 : 623,092.32 = 279,443.33 : x
  2. Step 2: Convert to fraction form
    451,470.18/623,092.32 = 279,443.33/x
  3. Step 3: Cross multiply
    451,470.18x = 623,092.32 × 279,443.33
  4. Step 4: Simplify right side
    451,470.18x = 174,118,989,682.76
  5. Step 5: Solve for x
    x = 174,118,989,682.76/451,470.18
  6. Step 6: Final answer
    x = 385,671.08

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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.