Home / 809,499.08-1,117,086.50-446,916.35

Finding the Fourth Proportional to 809,499.08, 1,117,086.50 and 446,916.35

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Solution

The fourth proportional to 809,499.08, 1,117,086.50 and 446,916.35 is: 616,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,499.08 : 1,117,086.50 = 446,916.35 : x
  2. Step 2: Convert to fraction form
    809,499.08/1,117,086.50 = 446,916.35/x
  3. Step 3: Cross multiply
    809,499.08x = 1,117,086.50 × 446,916.35
  4. Step 4: Simplify right side
    809,499.08x = 499,244,219,677.87
  5. Step 5: Solve for x
    x = 499,244,219,677.87/809,499.08
  6. Step 6: Final answer
    x = 616,732.29

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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.