Home / 1,134,286.71-1,702,215.89-451,103.55

Finding the Fourth Proportional to 1,134,286.71, 1,702,215.89 and 451,103.55

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Solution

The fourth proportional to 1,134,286.71, 1,702,215.89 and 451,103.55 is: 676,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,286.71 : 1,702,215.89 = 451,103.55 : x
  2. Step 2: Convert to fraction form
    1,134,286.71/1,702,215.89 = 451,103.55/x
  3. Step 3: Cross multiply
    1,134,286.71x = 1,702,215.89 × 451,103.55
  4. Step 4: Simplify right side
    1,134,286.71x = 767,875,628,589.89
  5. Step 5: Solve for x
    x = 767,875,628,589.89/1,134,286.71
  6. Step 6: Final answer
    x = 676,967.84

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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.