Home / 482,848.57-666,453.51-329,948.65

Finding the Fourth Proportional to 482,848.57, 666,453.51 and 329,948.65

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Solution

The fourth proportional to 482,848.57, 666,453.51 and 329,948.65 is: 455,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,848.57 : 666,453.51 = 329,948.65 : x
  2. Step 2: Convert to fraction form
    482,848.57/666,453.51 = 329,948.65/x
  3. Step 3: Cross multiply
    482,848.57x = 666,453.51 × 329,948.65
  4. Step 4: Simplify right side
    482,848.57x = 219,895,430,930.25
  5. Step 5: Solve for x
    x = 219,895,430,930.25/482,848.57
  6. Step 6: Final answer
    x = 455,412.83

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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.