Home / 800,859.16-1,105,431.66-461,553.40

Finding the Fourth Proportional to 800,859.16, 1,105,431.66 and 461,553.40

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Solution

The fourth proportional to 800,859.16, 1,105,431.66 and 461,553.40 is: 637,085.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,859.16 : 1,105,431.66 = 461,553.40 : x
  2. Step 2: Convert to fraction form
    800,859.16/1,105,431.66 = 461,553.40/x
  3. Step 3: Cross multiply
    800,859.16x = 1,105,431.66 × 461,553.40
  4. Step 4: Simplify right side
    800,859.16x = 510,215,741,140.64
  5. Step 5: Solve for x
    x = 510,215,741,140.64/800,859.16
  6. Step 6: Final answer
    x = 637,085.48

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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.