Home / 492,349.07-679,441.73-265,994.57

Finding the Fourth Proportional to 492,349.07, 679,441.73 and 265,994.57

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Solution

The fourth proportional to 492,349.07, 679,441.73 and 265,994.57 is: 367,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,349.07 : 679,441.73 = 265,994.57 : x
  2. Step 2: Convert to fraction form
    492,349.07/679,441.73 = 265,994.57/x
  3. Step 3: Cross multiply
    492,349.07x = 679,441.73 × 265,994.57
  4. Step 4: Simplify right side
    492,349.07x = 180,727,810,811.41
  5. Step 5: Solve for x
    x = 180,727,810,811.41/492,349.07
  6. Step 6: Final answer
    x = 367,072.51

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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.