Home / 808,112.89-1,115,191.02-445,535.29

Finding the Fourth Proportional to 808,112.89, 1,115,191.02 and 445,535.29

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Solution

The fourth proportional to 808,112.89, 1,115,191.02 and 445,535.29 is: 614,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,112.89 : 1,115,191.02 = 445,535.29 : x
  2. Step 2: Convert to fraction form
    808,112.89/1,115,191.02 = 445,535.29/x
  3. Step 3: Cross multiply
    808,112.89x = 1,115,191.02 × 445,535.29
  4. Step 4: Simplify right side
    808,112.89x = 496,856,954,501.10
  5. Step 5: Solve for x
    x = 496,856,954,501.10/808,112.89
  6. Step 6: Final answer
    x = 614,836.07

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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.