Home / 806,857.29-1,113,471.32-444,314.86

Finding the Fourth Proportional to 806,857.29, 1,113,471.32 and 444,314.86

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Solution

The fourth proportional to 806,857.29, 1,113,471.32 and 444,314.86 is: 613,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,857.29 : 1,113,471.32 = 444,314.86 : x
  2. Step 2: Convert to fraction form
    806,857.29/1,113,471.32 = 444,314.86/x
  3. Step 3: Cross multiply
    806,857.29x = 1,113,471.32 × 444,314.86
  4. Step 4: Simplify right side
    806,857.29x = 494,731,853,659.82
  5. Step 5: Solve for x
    x = 494,731,853,659.82/806,857.29
  6. Step 6: Final answer
    x = 613,159.06

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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.