Home / 786,658.53-1,179,994.68-254,179.65

Finding the Fourth Proportional to 786,658.53, 1,179,994.68 and 254,179.65

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Solution

The fourth proportional to 786,658.53, 1,179,994.68 and 254,179.65 is: 381,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,658.53 : 1,179,994.68 = 254,179.65 : x
  2. Step 2: Convert to fraction form
    786,658.53/1,179,994.68 = 254,179.65/x
  3. Step 3: Cross multiply
    786,658.53x = 1,179,994.68 × 254,179.65
  4. Step 4: Simplify right side
    786,658.53x = 299,930,634,764.26
  5. Step 5: Solve for x
    x = 299,930,634,764.26/786,658.53
  6. Step 6: Final answer
    x = 381,271.70

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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.