Home / 769,084.72-1,061,330.88-446,983.36

Finding the Fourth Proportional to 769,084.72, 1,061,330.88 and 446,983.36

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Solution

The fourth proportional to 769,084.72, 1,061,330.88 and 446,983.36 is: 616,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,084.72 : 1,061,330.88 = 446,983.36 : x
  2. Step 2: Convert to fraction form
    769,084.72/1,061,330.88 = 446,983.36/x
  3. Step 3: Cross multiply
    769,084.72x = 1,061,330.88 × 446,983.36
  4. Step 4: Simplify right side
    769,084.72x = 474,397,242,814.16
  5. Step 5: Solve for x
    x = 474,397,242,814.16/769,084.72
  6. Step 6: Final answer
    x = 616,833.53

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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.