Home / 627,527.10-865,994.11-341,047.20

Finding the Fourth Proportional to 627,527.10, 865,994.11 and 341,047.20

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Solution

The fourth proportional to 627,527.10, 865,994.11 and 341,047.20 is: 470,648.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,527.10 : 865,994.11 = 341,047.20 : x
  2. Step 2: Convert to fraction form
    627,527.10/865,994.11 = 341,047.20/x
  3. Step 3: Cross multiply
    627,527.10x = 865,994.11 × 341,047.20
  4. Step 4: Simplify right side
    627,527.10x = 295,344,865,579.37
  5. Step 5: Solve for x
    x = 295,344,865,579.37/627,527.10
  6. Step 6: Final answer
    x = 470,648.78

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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.