Home / 484,475.49-667,883.28-340,789.59

Finding the Fourth Proportional to 484,475.49, 667,883.28 and 340,789.59

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Solution

The fourth proportional to 484,475.49, 667,883.28 and 340,789.59 is: 469,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,475.49 : 667,883.28 = 340,789.59 : x
  2. Step 2: Convert to fraction form
    484,475.49/667,883.28 = 340,789.59/x
  3. Step 3: Cross multiply
    484,475.49x = 667,883.28 × 340,789.59
  4. Step 4: Simplify right side
    484,475.49x = 227,607,669,159.06
  5. Step 5: Solve for x
    x = 227,607,669,159.06/484,475.49
  6. Step 6: Final answer
    x = 469,802.24

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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.