Home / 806,083.76-1,112,278.20-483,725.36

Finding the Fourth Proportional to 806,083.76, 1,112,278.20 and 483,725.36

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Solution

The fourth proportional to 806,083.76, 1,112,278.20 and 483,725.36 is: 667,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,083.76 : 1,112,278.20 = 483,725.36 : x
  2. Step 2: Convert to fraction form
    806,083.76/1,112,278.20 = 483,725.36/x
  3. Step 3: Cross multiply
    806,083.76x = 1,112,278.20 × 483,725.36
  4. Step 4: Simplify right side
    806,083.76x = 538,037,172,715.15
  5. Step 5: Solve for x
    x = 538,037,172,715.15/806,083.76
  6. Step 6: Final answer
    x = 667,470.55

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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.