Home / 678,589.53-1,017,919.33-173,154.93

Finding the Fourth Proportional to 678,589.53, 1,017,919.33 and 173,154.93

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Solution

The fourth proportional to 678,589.53, 1,017,919.33 and 173,154.93 is: 259,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,589.53 : 1,017,919.33 = 173,154.93 : x
  2. Step 2: Convert to fraction form
    678,589.53/1,017,919.33 = 173,154.93/x
  3. Step 3: Cross multiply
    678,589.53x = 1,017,919.33 × 173,154.93
  4. Step 4: Simplify right side
    678,589.53x = 176,257,753,093.04
  5. Step 5: Solve for x
    x = 176,257,753,093.04/678,589.53
  6. Step 6: Final answer
    x = 259,741.34

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1.5x scale

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.