Home / 454,554.18-627,145.74-263,529.45

Finding the Fourth Proportional to 454,554.18, 627,145.74 and 263,529.45

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Solution

The fourth proportional to 454,554.18, 627,145.74 and 263,529.45 is: 363,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,554.18 : 627,145.74 = 263,529.45 : x
  2. Step 2: Convert to fraction form
    454,554.18/627,145.74 = 263,529.45/x
  3. Step 3: Cross multiply
    454,554.18x = 627,145.74 × 263,529.45
  4. Step 4: Simplify right side
    454,554.18x = 165,271,371,932.04
  5. Step 5: Solve for x
    x = 165,271,371,932.04/454,554.18
  6. Step 6: Final answer
    x = 363,590.04

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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.