Home / 482,848.32-666,453.16-329,948.40

Finding the Fourth Proportional to 482,848.32, 666,453.16 and 329,948.40

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Solution

The fourth proportional to 482,848.32, 666,453.16 and 329,948.40 is: 455,412.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,848.32 : 666,453.16 = 329,948.40 : x
  2. Step 2: Convert to fraction form
    482,848.32/666,453.16 = 329,948.40/x
  3. Step 3: Cross multiply
    482,848.32x = 666,453.16 × 329,948.40
  4. Step 4: Simplify right side
    482,848.32x = 219,895,150,484.68
  5. Step 5: Solve for x
    x = 219,895,150,484.68/482,848.32
  6. Step 6: Final answer
    x = 455,412.48

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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.