Home / 806,250.80-1,112,672.04-462,143.97

Finding the Fourth Proportional to 806,250.80, 1,112,672.04 and 462,143.97

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Solution

The fourth proportional to 806,250.80, 1,112,672.04 and 462,143.97 is: 637,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,250.80 : 1,112,672.04 = 462,143.97 : x
  2. Step 2: Convert to fraction form
    806,250.80/1,112,672.04 = 462,143.97/x
  3. Step 3: Cross multiply
    806,250.80x = 1,112,672.04 × 462,143.97
  4. Step 4: Simplify right side
    806,250.80x = 514,214,673,873.60
  5. Step 5: Solve for x
    x = 514,214,673,873.60/806,250.80
  6. Step 6: Final answer
    x = 637,785.01

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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.