Home / 482,921.11-666,433.70-301,738.10

Finding the Fourth Proportional to 482,921.11, 666,433.70 and 301,738.10

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Solution

The fourth proportional to 482,921.11, 666,433.70 and 301,738.10 is: 416,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,921.11 : 666,433.70 = 301,738.10 : x
  2. Step 2: Convert to fraction form
    482,921.11/666,433.70 = 301,738.10/x
  3. Step 3: Cross multiply
    482,921.11x = 666,433.70 × 301,738.10
  4. Step 4: Simplify right side
    482,921.11x = 201,088,440,834.40
  5. Step 5: Solve for x
    x = 201,088,440,834.40/482,921.11
  6. Step 6: Final answer
    x = 416,400.19

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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.