Home / 734,081.40-1,101,813.30-454,145.40

Finding the Fourth Proportional to 734,081.40, 1,101,813.30 and 454,145.40

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Solution

The fourth proportional to 734,081.40, 1,101,813.30 and 454,145.40 is: 681,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,081.40 : 1,101,813.30 = 454,145.40 : x
  2. Step 2: Convert to fraction form
    734,081.40/1,101,813.30 = 454,145.40/x
  3. Step 3: Cross multiply
    734,081.40x = 1,101,813.30 × 454,145.40
  4. Step 4: Simplify right side
    734,081.40x = 500,383,441,853.82
  5. Step 5: Solve for x
    x = 500,383,441,853.82/734,081.40
  6. Step 6: Final answer
    x = 681,645.72

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Double scale
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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.