Home / 611,577.20-917,511.60-295,774.40

Finding the Fourth Proportional to 611,577.20, 917,511.60 and 295,774.40

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Solution

The fourth proportional to 611,577.20, 917,511.60 and 295,774.40 is: 443,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,577.20 : 917,511.60 = 295,774.40 : x
  2. Step 2: Convert to fraction form
    611,577.20/917,511.60 = 295,774.40/x
  3. Step 3: Cross multiply
    611,577.20x = 917,511.60 × 295,774.40
  4. Step 4: Simplify right side
    611,577.20x = 271,376,442,983.04
  5. Step 5: Solve for x
    x = 271,376,442,983.04/611,577.20
  6. Step 6: Final answer
    x = 443,732.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.