Home / 908,135.45-1,253,226.83-526,383.66

Finding the Fourth Proportional to 908,135.45, 1,253,226.83 and 526,383.66

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Solution

The fourth proportional to 908,135.45, 1,253,226.83 and 526,383.66 is: 726,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,135.45 : 1,253,226.83 = 526,383.66 : x
  2. Step 2: Convert to fraction form
    908,135.45/1,253,226.83 = 526,383.66/x
  3. Step 3: Cross multiply
    908,135.45x = 1,253,226.83 × 526,383.66
  4. Step 4: Simplify right side
    908,135.45x = 659,678,122,953.68
  5. Step 5: Solve for x
    x = 659,678,122,953.68/908,135.45
  6. Step 6: Final answer
    x = 726,409.40

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Double scale
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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.