Home / 468,178.06-646,088.74-274,546.36

Finding the Fourth Proportional to 468,178.06, 646,088.74 and 274,546.36

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Solution

The fourth proportional to 468,178.06, 646,088.74 and 274,546.36 is: 378,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,178.06 : 646,088.74 = 274,546.36 : x
  2. Step 2: Convert to fraction form
    468,178.06/646,088.74 = 274,546.36/x
  3. Step 3: Cross multiply
    468,178.06x = 646,088.74 × 274,546.36
  4. Step 4: Simplify right side
    468,178.06x = 177,381,311,803.99
  5. Step 5: Solve for x
    x = 177,381,311,803.99/468,178.06
  6. Step 6: Final answer
    x = 378,875.75

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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.