Home / 809,572.31-1,117,211.43-446,996.87

Finding the Fourth Proportional to 809,572.31, 1,117,211.43 and 446,996.87

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Solution

The fourth proportional to 809,572.31, 1,117,211.43 and 446,996.87 is: 616,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,572.31 : 1,117,211.43 = 446,996.87 : x
  2. Step 2: Convert to fraction form
    809,572.31/1,117,211.43 = 446,996.87/x
  3. Step 3: Cross multiply
    809,572.31x = 1,117,211.43 × 446,996.87
  4. Step 4: Simplify right side
    809,572.31x = 499,390,012,338.22
  5. Step 5: Solve for x
    x = 499,390,012,338.22/809,572.31
  6. Step 6: Final answer
    x = 616,856.59

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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.