Home / 786,883.17-1,085,898.82-447,351.42

Finding the Fourth Proportional to 786,883.17, 1,085,898.82 and 447,351.42

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Solution

The fourth proportional to 786,883.17, 1,085,898.82 and 447,351.42 is: 617,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,883.17 : 1,085,898.82 = 447,351.42 : x
  2. Step 2: Convert to fraction form
    786,883.17/1,085,898.82 = 447,351.42/x
  3. Step 3: Cross multiply
    786,883.17x = 1,085,898.82 × 447,351.42
  4. Step 4: Simplify right side
    786,883.17x = 485,778,373,673.83
  5. Step 5: Solve for x
    x = 485,778,373,673.83/786,883.17
  6. Step 6: Final answer
    x = 617,344.98

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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.