Home / 455,496.58-683,659.38-242,443.27

Finding the Fourth Proportional to 455,496.58, 683,659.38 and 242,443.27

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Solution

The fourth proportional to 455,496.58, 683,659.38 and 242,443.27 is: 363,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,496.58 : 683,659.38 = 242,443.27 : x
  2. Step 2: Convert to fraction form
    455,496.58/683,659.38 = 242,443.27/x
  3. Step 3: Cross multiply
    455,496.58x = 683,659.38 × 242,443.27
  4. Step 4: Simplify right side
    455,496.58x = 165,748,615,653.37
  5. Step 5: Solve for x
    x = 165,748,615,653.37/455,496.58
  6. Step 6: Final answer
    x = 363,885.53

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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.