Home / 689,245.14-951,103.16-383,322.11

Finding the Fourth Proportional to 689,245.14, 951,103.16 and 383,322.11

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Solution

The fourth proportional to 689,245.14, 951,103.16 and 383,322.11 is: 528,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,245.14 : 951,103.16 = 383,322.11 : x
  2. Step 2: Convert to fraction form
    689,245.14/951,103.16 = 383,322.11/x
  3. Step 3: Cross multiply
    689,245.14x = 951,103.16 × 383,322.11
  4. Step 4: Simplify right side
    689,245.14x = 364,578,870,118.87
  5. Step 5: Solve for x
    x = 364,578,870,118.87/689,245.14
  6. Step 6: Final answer
    x = 528,953.85

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1.5x scale

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.