Home / 865,551.78-1,194,439.41-483,581.40

Finding the Fourth Proportional to 865,551.78, 1,194,439.41 and 483,581.40

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Solution

The fourth proportional to 865,551.78, 1,194,439.41 and 483,581.40 is: 667,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,551.78 : 1,194,439.41 = 483,581.40 : x
  2. Step 2: Convert to fraction form
    865,551.78/1,194,439.41 = 483,581.40/x
  3. Step 3: Cross multiply
    865,551.78x = 1,194,439.41 × 483,581.40
  4. Step 4: Simplify right side
    865,551.78x = 577,608,682,102.97
  5. Step 5: Solve for x
    x = 577,608,682,102.97/865,551.78
  6. Step 6: Final answer
    x = 667,330.01

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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.