Home / 806,358.57-1,112,733.33-443,816.82

Finding the Fourth Proportional to 806,358.57, 1,112,733.33 and 443,816.82

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Solution

The fourth proportional to 806,358.57, 1,112,733.33 and 443,816.82 is: 612,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,358.57 : 1,112,733.33 = 443,816.82 : x
  2. Step 2: Convert to fraction form
    806,358.57/1,112,733.33 = 443,816.82/x
  3. Step 3: Cross multiply
    806,358.57x = 1,112,733.33 × 443,816.82
  4. Step 4: Simplify right side
    806,358.57x = 493,849,768,028.61
  5. Step 5: Solve for x
    x = 493,849,768,028.61/806,358.57
  6. Step 6: Final answer
    x = 612,444.37

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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.