Home / 597,886.11-895,830.57-420,074.78

Finding the Fourth Proportional to 597,886.11, 895,830.57 and 420,074.78

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Solution

The fourth proportional to 597,886.11, 895,830.57 and 420,074.78 is: 629,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,886.11 : 895,830.57 = 420,074.78 : x
  2. Step 2: Convert to fraction form
    597,886.11/895,830.57 = 420,074.78/x
  3. Step 3: Cross multiply
    597,886.11x = 895,830.57 × 420,074.78
  4. Step 4: Simplify right side
    597,886.11x = 376,315,825,130.87
  5. Step 5: Solve for x
    x = 376,315,825,130.87/597,886.11
  6. Step 6: Final answer
    x = 629,410.55

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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.