Home / 769,495-1,061,883.30-429,966.04

Finding the Fourth Proportional to 769,495, 1,061,883.30 and 429,966.04

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Solution

The fourth proportional to 769,495, 1,061,883.30 and 429,966.04 is: 593,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,495 : 1,061,883.30 = 429,966.04 : x
  2. Step 2: Convert to fraction form
    769,495/1,061,883.30 = 429,966.04/x
  3. Step 3: Cross multiply
    769,495x = 1,061,883.30 × 429,966.04
  4. Step 4: Simplify right side
    769,495x = 456,573,757,443.13
  5. Step 5: Solve for x
    x = 456,573,757,443.13/769,495
  6. Step 6: Final answer
    x = 593,342.07

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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.